intolerance
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B2 noun /ɪnˈtɒlərəns/

intolerance

intolerancia
Meaning
unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own
Example
The leader was criticized for his intolerance toward other religions.
El líder fue criticado por su intolerancia hacia otras religiones.
B2 verb /ˈɪr.ɪ.teɪt/

irritate

irritar
Meaning
To make someone annoyed or angry; to cause discomfort or inflammation.
Example
Rubbing your eyes can irritate them.
Frotarse los ojos puede irritarlos.
B2 adjective /ɪˈmjuːn/

immune

inmunizado
Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
Los niños vacunados están inmunizados contra muchas enfermedades.
B2 noun /ˌɪnsɪˈkjʊərɪti/

insecurity

inseguridad
Meaning
lack of confidence or assurance; a state of uncertainty or vulnerability
Example
Her insecurity made her doubt her abilities despite her experience.
Su inseguridad la hizo dudar de sus habilidades.
B2 verb /ɪnˈdjuːs/

induce

inducir
Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
El doctor indujo el sueño con un sedante suave.
B2 noun /ɪnˈspɛktər/

inspector

inspector
Meaning
An official employed to ensure regulations are obeyed or standards are met.
Example
The inspector carefully checked the restaurant's kitchen for hygiene standards.
El inspector revisó cuidadosamente la cocina del restaurante para cumplir con los estándares de higiene.
B2 noun /ˈɪmɪɡrənt/

immigrant

inmigrante
Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
La ciudad ha dado la bienvenida a muchos nuevos inmigrantes este año.
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

imperfección
Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
Ella aceptó su imperfección como parte de ser humana.
B2 noun ɪnˈfleɪʃən

inflation

inflación
Meaning
A general increase in prices and fall in the purchasing value of money.
Example
Inflation erodes the purchasing power of consumers.
La inflación erosiona el poder adquisitivo de los consumidores.
B2 adjective /ɪnˈkeɪpəbəl/

incapable

incapaz
Meaning
lacking the ability, skill, or capacity to do something
Example
He is incapable of understanding complex instructions.
Es incapaz de entender instrucciones complejas.
B2 adjective /ˈɪmɪnənt/

imminent

inminente
Meaning
About to happen; likely to occur very soon.
Example
Dark clouds signaled that a storm was imminent.
Las nubes oscuras señalaron que una tormenta era inminente.
B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

indiferente
Meaning
having no particular interest or concern; not caring one way or another
Example
She was indifferent to the outcome of the match.
Ella estaba indiferente al resultado del partido.
B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

inconveniente
Meaning
trouble or difficulty caused to someone; to cause trouble or difficulty to someone
Example
We apologize for any inconvenience caused by the delay.
Pedimos disculpas por cualquier inconveniente causado por el retraso.
B2 adjective /ɪnˈkluːsɪv/

inclusive

inclusivo
Meaning
Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.
Example
Inclusive growth benefits all sections of society.
El crecimiento inclusivo beneficia a todas las secciones de la sociedad.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

intérprete; traductor;
Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
La conferencia internacional contrató intérpretes profesionales para traducir los discursos en tiempo real.
B2 adjective ɪnˈdɪdʒɪnəs

indigenous

indígena
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
Las plantas indígenas están bien adaptadas al entorno local.
B2 noun /aɪˈdiː/

id

identificación
Meaning
identification; a document or number used to prove who someone is
Example
Please show your ID at the entrance.
Por favor, muestre su identificación en la entrada.
B2 noun /ɪˈluː.ʒən/

Illusion

ilusión
Meaning
a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief
Example
The magician created a spectacular illusion that made the elephant appear to vanish.
El mago creó una espectacular ilusión que hizo que el elefante pareciera desvanecerse.
B2 adverb /ɪmˈpeɪʃəntli/

impatiently

impacientemente
Meaning
in a manner showing annoyance or restlessness due to delay or waiting
Example
She tapped her fingers impatiently while waiting for the reply.
Ella tamborileó los dedos impacientemente mientras esperaba la respuesta.
B2 noun ˈɪnər strɛŋkθ

inner strength

fuerza interior
Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
El servicio comunitario fomenta la fuerza interior en los individuos.
B2 noun ɪnˈtɛɡrɪti

integrity

integridad
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
La integridad de los maestros fomenta un ambiente de aprendizaje positivo.
B2 adjective /ɪmˈper.ə.tɪv/

imperative

imperativo
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
Es imperativo abordar la crisis climática de inmediato.
B2 adjective /ˌɪntəˈpɜːsənl/

interpersonal

interpersonal
Meaning
Relating to relationships or communication between people.
Example
He has excellent interpersonal skills and gets along well with others.
Él tiene excelentes habilidades interpersonales y se lleva bien con los demás.
B2 noun /ɪnˈsɪstəns/

insistence

insistencia
Meaning
the act of demanding something firmly or repeatedly
Example
At his insistence, we stayed longer.
A su insistencia, nos quedamos más tiempo.
B2 noun ɪˈmjuː.nɪ.ti

immunity

inmunidad
Meaning
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.
Example
A strong immunity protects against infections.
Una fuerte inmunidad protege contra infecciones.
B2 adjective /ɪnˈtɛns/

intense

intenso
Meaning
Of extreme force, degree, or strength.
Example
She felt intense pain after the accident.
Ella sintió un dolor intenso después del accidente.
B2 verb /ɪnˈveɪd/

invade

invadir
Meaning
to enter a place or country forcefully, especially as an enemy
Example
The army invaded the neighboring country.
El ejército invadió el país vecino.
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

identificación
Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
Necesitas una identificación adecuada para entrar al edificio.
B2 verb /ɪnˈheɪl/

inhale

inhalar
Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
Toma una respiración profunda e inhala lentamente.
B2 adjective /ɪˈmædʒɪnəbl/

imaginable

imaginable
Meaning
Capable of being imagined or conceived.
Example
They offered every imaginable type of food at the festival.
Ofrecieron todo tipo de comida imaginable en el festival.
B2 noun /ɪnˈsaɪdə/

insider

insider
Meaning
a person within a group or organization who has access to confidential information
Example
He was an insider who knew all the company's secrets.
Él era un insider que conocía todos los secretos de la empresa.
B2 noun ˌɪntəˈlektʃuəlz

intellectuals

intelectuales
Meaning
People possessing a highly developed intellect; scholars or academics.
Example
Intellectuals protested against the dominance.
Los intelectuales protestaron contra la dominación.
B2 verb /ɪmˈpoʊz/

impose

imponer
Meaning
to force someone to accept something; to establish or apply by authority
Example
The government imposed new taxes on luxury goods.
El gobierno impuso nuevos impuestos sobre los artículos de lujo.
B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

intensificar
Meaning
To make something stronger, more extreme, or more forceful.
Example
The storm is expected to intensify overnight.
Se espera que la tormenta se intensifique durante la noche.
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

inflamación
Meaning
A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
Example
Chronic inflammation can lead to severe diseases.
La inflamación crónica puede causar enfermedades graves.
B2 adjective /ɪˈrɛləvənt/

Irrelevant

irrelevante
Meaning
not connected with or relevant to something; having no bearing on the matter
Example
Your past mistakes are irrelevant to this discussion.
Tus errores pasados son irrelevantes para esta discusión.
B2 noun /ɪnˈdʒɛkʃən/

injection

inyección
Meaning
the act of introducing a substance into the body through a needle
Example
The nurse gave me an injection to prevent the infection.
La enfermera me dio una inyección para prevenir la infección.
B2 adverb /ɪnˈɛvɪtəbli/

inevitably

inevitable
Meaning
in a way that cannot be avoided or prevented
Example
Inevitably, the team faced challenges during the project.
Inevitablemente, el equipo enfrentó desafíos durante el proyecto.
B2 verb /ˈɪmɪteɪt/

imitate

imitar
Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
Los niños a menudo imitan el comportamiento de sus padres.
B2 adjective /ˈɪnfɪnɪt/

infinite

infinito
Meaning
limitless or endless in space, extent, or number
Example
The universe is often described as infinite.
El universo a menudo se describe como infinito.
B2 noun /ˈɪdɪət/

idiot

idiota
Meaning
a person who acts in a way that is considered very stupid or foolish
Example
He acted like an idiot at the party last night.
Él actuó como un idiota en la fiesta anoche.
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

imitación; copia; réplica
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
su imitación del famoso actor fue tan buena que todos estallaron en risa.
B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

insignificante
Meaning
Too small or unimportant to be worth considering.
Example
The cost was so insignificant that nobody noticed it.
El costo era tan insignificante que nadie lo notó.
B2 adverb /ɪmˈpɔːtəntli/

importantly

de manera importante
Meaning
in a way that is of great significance or value
Example
Importantly, the report highlights the need for immediate action.
De manera importante, el informe resalta la necesidad de acción inmediata.
B2 noun /ˌɪntəˈrʌpʃən/

interruption

interrupción
Meaning
the act of stopping or breaking the continuity of something; a pause caused by an external action
Example
The meeting was delayed due to an unexpected interruption.
La reunión se retrasó por una interrupción inesperada.
B2 verb /ɪmˈpoʊzd/

imposed

impuesto
Meaning
forced something to be accepted or put in place
Example
The government imposed new regulations on the industry.
El gobierno impuso nuevas regulaciones sobre la industria.
B2 noun ˌɪn.tɪˈɡreɪ.ʃən

integration

Integración. Unificación.
Meaning
The action or process of integrating; the process of combining or adding parts to make a unified whole.
Example
Integration of networks will improve global communication.
La integración de redes mejorará la comunicación global.
B2 adjective ɪnˈev.ɪ.tə.bəl

inevitable

inevitable
Meaning
Certain to happen; unavoidable.
Example
Death is an inevitable part of life.
La muerte es una parte inevitable de la vida.
B2 noun ˌɪn.təˈven.ʃən

intervention

intervención
Meaning
The action or process of intervening; involvement in a situation to improve or help it.
Example
The intervention of the UN was crucial in resolving the conflict.
La intervención de la ONU fue crucial para resolver el conflicto.
B2 adverb /ˌɪndəˈrɛktli/

indirectly

indirectamente
Meaning
in a way that is not direct; through an intermediate means or influence
Example
The policy affected small businesses indirectly.
La política afectó indirectamente a las pequeñas empresas.
B2 adjective/noun /ɪˈrɑːki/

iraqi

iraquí
Meaning
relating to Iraq or its people
Example
The Iraqi culture is rich and diverse.
La cultura iraquí es rica y diversa.
B2 noun /ˈɪnfənt/

infant

bebé
Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
El bebé estaba durmiendo tranquilamente en la cuna.
B2 verb /ɪnˈstrʌkt/

instruct

instruir
Meaning
to teach; to give directions
Example
The teacher instructed the students carefully.
El maestro instruyó a los estudiantes con cuidado.
B2 adjective /ˈɪn.tɪ.mət/

Intimate

íntimo; cercano; privado
Meaning
close in friendship; private and personal; detailed knowledge
Example
They have an intimate friendship that has lasted for decades.
Ellos tienen una amistad íntima que ha durado décadas.
B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

imperfecto
Meaning
Not perfect; having faults or flaws.
Example
The painting was beautiful despite being imperfect.
La pintura era hermosa a pesar de ser imperfecta.
B2 adjective /ɪnˈtækt/

intact

intacto
Meaning
Remaining whole, complete, and undamaged.
Example
Despite the storm, the old house remained intact.
A pesar de la tormenta, la casa antigua permaneció intacta.
B2 verb /ˈɪl.ə.streɪt/

illustrate

ilustrar
Meaning
to explain or make something clear by using examples, pictures, or comparisons
Example
The teacher used diagrams to illustrate the concept.
El maestro utilizó diagramas para ilustrar el concepto.
B2 noun /ˈaɪrəni/

irony

ironía
Meaning
a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning
Example
The irony of the situation was that the winner forgot his own prize.
La ironía de la situación fue que el ganador olvidó su propio premio.
B2 noun ˌɪmplɪmenˈteɪʃən

implementation

implementación
Meaning
The process of putting a decision or plan into effect; execution.
Example
Proper implementation of policies is crucial.
La implementación adecuada de las políticas es crucial.
B2 noun /ˌɪntərˈfɪərəns/

interference

interferencia
Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
La señal de radio fue interrumpida debido a la interferencia de dispositivos electrónicos cercanos.
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

descortesía
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
Su descortesía hacia los invitados sorprendió a todos.
B2 verb /ɪnˈkwaɪər/

inquire

preguntar
Meaning
to ask; to investigate
Example
She inquired about the job opening.
Ella preguntó sobre la oferta de trabajo.
B2 verb /ɪnˈtriːɡ/

intrigue

intrigar
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
La novela de misterio intriga a cualquier lector.
B2 verb /ɪnˈdʌldʒ/

indulge

entregarse
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
Él se entregó a un trozo de pastel de chocolate después de la cena.
B2 verb /ɪnˈsɜːrt/

insert

insertar
Meaning
to put or place something into something else
Example
Please insert the key into the lock.
por favor inserte la llave en la cerradura.
B2 adjective /ɪnˈfekʃəs/

infectious

infeccioso
Meaning
capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm
Example
Her infectious laughter made everyone in the room smile.
Su risa infecciosa hizo sonreír a todos.
B2 noun, verb /ɪntʃ/

inch

pulgada / moverse lentamente
Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
Ella se acercó lentamente al borde del escenario.
B2 noun /ˌɪnstəˈbɪləti/

instability

inestabilidad
Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
La inestabilidad política ha ralentizado el crecimiento económico de la región.
B2 noun /ɪnˈkluːʒən/

inclusion

inclusión
Meaning
the action or state of including or being included within a group or structure
Example
Diversity and inclusion are key values in modern workplaces.
La diversidad y la inclusión son valores clave en los lugares de trabajo modernos.
B2 verb /ˌɪntərˈviːn/

intervene

intervenir
Meaning
To come between people, groups, or events, often to prevent conflict or improve a situation.
Example
The teacher had to intervene to stop the fight between the students.
La maestra tuvo que intervenir para detener la pelea entre los estudiantes.
B2 noun ˌɪnɪˈkwɒlɪti

inequality

desigualdad
Meaning
Difference in size, degree, circumstances, etc.; lack of equality.
Example
The theme of inequality is prominent throughout the story.
El tema de la desigualdad es prominente a lo largo de la historia.
B2 noun ɪnˈdʒʌstɪs

injustice

injusticia
Meaning
Lack of fairness or justice; the practice of being unjust or unfair.
Example
The story portrays the injustices faced by the common people.
La historia retrata las injusticias que enfrentan las personas comunes.
B2 adjective /aɪˈdentɪkəl/

Identical

idéntico; exactamente igual
Meaning
exactly the same; not different in any way
Example
The twins look completely identical to each other.
Los gemelos se ven completamente idénticos entre sí.
B2 adjective /ˈɪrɪteɪtɪd/

irritated

irritado
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
Se sintió irritada por el ruido constante afuera de su ventana.
B2 adverb /aɪˈrɒnɪkli/

ironically

irónicamente
Meaning
in a way that is contrary to what is expected or intended
Example
Ironically, the fire station burned down.
Irónicamente, la estación de bomberos se incendió.
B2 verb /ɪmˈprɪzən/

imprison

encarcelar
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
El juez encarceló al criminal por cinco años.
B2 noun /ˈɪɡ.nər.əns/

Ignorance

ignorancia
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
Su ignorancia sobre habilidades básicas de computación le dificultó encontrar un trabajo.
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

inferior
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
Este material es inferior al que usamos antes.
B2 adjective /ɪmˈpɪəriəl/

imperial

imperial
Meaning
Relating to an empire or emperor; having supreme authority.
Example
The imperial palace was a symbol of the emperor's power.
El palacio imperial era un símbolo del poder del emperador.
B2 noun /ˈɪnˌteɪk/

intake

ingesta
Meaning
the process of taking something in, especially food or drink
Example
He monitored his daily intake of calories to maintain a healthy diet.
Él monitoreó su ingesta diaria de calorías para mantener una dieta saludable.
B2 noun /ɪnˈtɛnt/

intent

intención
Meaning
the purpose or reason behind an action; a strong determination to do something
Example
Her intent was to improve the quality of education in the community.
Su intención era mejorar la calidad de la educación en la comunidad.
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

incompleto
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
Su informe estaba incompleto y necesitaba más detalles.
B2 noun /ˈɪn.flu.ən.sər/

Influencer

influenciador, persona que promueve productos
Meaning
A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.
Example
Social media influencers shape consumer preferences.
Los influencers de las redes sociales moldean las preferencias de los consumidores.
B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

implicación
Meaning
A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.
Example
The implication of climate change is severe.
La implicación del cambio climático es grave.
B2 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

interpretación
Meaning
the action of explaining the meaning of something
Example
The teacher gave her own interpretation of the poem.
La profesora dio su propia interpretación del poema.
B2 verb /ɪnˈsʌlt/

insult

insultar
Meaning
to speak or act in a way that hurts someone's feelings or shows disrespect
Example
He felt insulted by her rude comments.
Él se sintió insultado por sus comentarios groseros.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

analfabeto; iletrado; ignorante
Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
El programa tiene como objetivo ayudar a los adultos analfabetos a aprender a leer y escribir.
B2 noun /ɪnˈveɪʒən/

invasion

invasión
Meaning
An instance of invading a country, region, or personal space with armed force or unwelcome presence.
Example
The army prepared for the possibility of an invasion.
El ejército se preparó para la posibilidad de una invasión.
B2 verb ɪnˈvɛst.ɪŋ

investing

invertir
Meaning
The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.
Example
Investing in stocks can generate long-term wealth.
Invertir en acciones puede generar riqueza a largo plazo.
B2 adjective /ɪˈreɡjələr/

irregular

irregular
Meaning
not even or consistent in shape, pattern, time, or behavior; not following normal rules
Example
His attendance at work has been irregular this month.
Su asistencia al trabajo ha sido irregular este mes.
B2 noun /ɪnˈsen.tɪv/

Incentive

incentivo; estímulo
Meaning
a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior
Example
The company offered a cash incentive to employees who exceeded their sales targets.
La empresa ofreció un incentivo en efectivo a los empleados que superaron sus objetivos de ventas.
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

infraestructura
Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
La infraestructura digital es vital para los avances futuros.
B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

insuficiente
Meaning
Not enough; inadequate.
Example
His explanation was insufficient to clear the confusion.
Su explicación fue insuficiente para aclarar la confusión.
B2 adverb /ɪmˈpɒlɪtli/

impolitely

de manera grosera
Meaning
in a rude or discourteous manner; without showing respect or proper manners
Example
He spoke impolitely to the waiter despite the polite service.
Habló de manera grosera con el camarero a pesar del buen servicio.
B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

introductorio
Meaning
Serving as an introduction; preliminary or preparatory.
Example
The professor gave an introductory lecture on economics.
El profesor dio una conferencia introductoria sobre economía.
B2 adjective /ˌɪnkənˈviːniənt/

Inconvenient

inconveniente; molesto; problemático
Meaning
causing trouble, difficulties, or discomfort; awkward; troublesome
Example
The broken elevator made it inconvenient to reach the top floor.
El ascensor roto hizo que fuera inconveniente llegar al último piso.
B2 noun ˌɪn.əˈveɪ.ʃən

innovation

innovación
Meaning
The action or process of innovating; a new method, idea, product, etc.
Example
Innovation drives solutions to global challenges.
La innovación impulsa soluciones a los desafíos globales.
B2 noun /ˈɪntərfeɪs/

interface

interfaz
Meaning
a point where two systems, subjects, or organizations meet and interact
Example
The user interface is designed to be intuitive and user-friendly.
La interfaz de usuario está diseñada para ser intuitiva y fácil de usar.
B2 verb ˈɪmplɪmentɪd

implemented

implementado
Meaning
Put a decision or plan into effect; carried out or executed.
Example
The master plans were partially implemented.
Los planes maestros fueron implementados parcialmente.
B2 adjective /ɪˈmætʃʊr/

Immature

inmaduro; inmaduro emocionalmente; infantil
Meaning
not fully developed; lacking emotional or intellectual development; childish
Example
His immature behavior during the meeting disappointed everyone.
Su comportamiento inmaduro durante la reunión decepcionó a todos.
B2 noun /ɪnˈvɒlvmənt/

involvement

participación
Meaning
the act of taking part in something
Example
His involvement in the project was crucial.
Su participación en el proyecto fue crucial.
B2 adjective, noun /ɪzˈreɪli/

israeli

israelí
Meaning
relating to Israel or its people; a person from Israel
Example
She works for an Israeli company.
Ella trabaja para una empresa israelí.
B2 adjective /ɪnˈsɛnsətɪv/

insensitive

insensible
Meaning
Showing or feeling no concern for others' feelings.
Example
His insensitive comment hurt her deeply.
Su comentario insensible la lastimó profundamente.
B2 adjective /ɪnˈstrʌkʃənəl/

instructional

instructivo
Meaning
providing knowledge or information; intended to teach
Example
The website offers many instructional videos for beginners.
El sitio web ofrece muchos videos instructivos para principiantes.
B2 adjective /ˌɪnɪˈfɪʃənt/

Inefficient

ineficiente
Meaning
not achieving maximum productivity; wasteful of time or resources
Example
The old computer system was inefficient and wasted a lot of time.
El sistema de computadoras antiguo era ineficiente y desperdiciaba mucho tiempo.
B2 adjective ˈaɪsəˌleɪtɪd

isolated

aislado
Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
Los avances tecnológicos a menudo dejan a las personas aisladas.
B2 noun /ɪnˈtɛnsəti/

intensity

intensidad
Meaning
The quality of being extreme, strong, or forceful in degree.
Example
The intensity of the storm frightened the villagers.
La intensidad de la tormenta asustó a los aldeanos.
B2 verb /ɪˈnɪʃieɪt/

initiate

iniciar
Meaning
to begin or start; to introduce someone to a new activity
Example
The company will initiate a new training program.
La empresa iniciará un nuevo programa de capacitación.
B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

Revolución Industrial
Meaning
The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.
Example
The Industrial Revolution marked a shift in production processes.
La Revolución Industrial marcó un cambio en los procesos de producción.
B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

herramientas innovadoras
Meaning
Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.
Example
Teachers use innovative tools to enhance classroom learning.
Los maestros utilizan herramientas innovadoras para mejorar el aprendizaje en el aula.
B2 adjective + noun aɪˈdiːəl ɪnˈvaɪrənmənt

ideal environment

entorno ideal
Meaning
Perfect or most suitable conditions for growth or development
Example
Winter creates an ideal environment for vegetable growth.
El invierno crea un ambiente ideal para el crecimiento de las verduras.
B2 noun /ˌɪnəˈbɪləti/

inability

incapacidad
Meaning
the state of being unable to do something
Example
His inability to make decisions affected his career.
Su incapacidad para tomar decisiones afectó su carrera.
B2 verb /ˌɪntərˈfɪər/

interfere

felicidad
Meaning
to become involved in something that is not your concern; to hinder or obstruct
Example
Parents should not interfere in their children’s personal choices.
No pudo ocultar su felicidad cuando recibió el premio.
B2 adjective /ˌɪnsɪˈkjʊə/

insecure

inseguro
Meaning
not confident or assured; uncertain and anxious
Example
She felt insecure about her performance in the exam.
Ella se sintió insegura acerca de su desempeño en el examen.
B2 noun ˌɪn.stəˈleɪ.ʃən

installation

instalación
Meaning
The action or process of installing someone or something, or of being installed.
Example
The installation of the submarine cable is almost complete.
La instalación del cable submarino está casi completa.
B2 verb /ɪtʃ/

itch

picazón
Meaning
to feel an urge to scratch; to have a restless desire
Example
My skin itches from the mosquito bites.
Mi piel pica debido a las picaduras de mosquito.
B2 verb /ɪnˈdʒɛkt/

inject

inyectar
Meaning
To introduce a substance, especially a drug, into the body using a needle.
Example
The nurse will inject the vaccine into the patient's arm.
La enfermera inyectará la vacuna en el brazo del paciente.
B2 adjective /ɪmˈplɪsɪt/

implicit

implícito
Meaning
Suggested or understood without being directly stated.
Example
Her trust in him was implicit.
Su confianza en él era implícita.
B2 verb /ˈɪnəveɪt/

innovate

innovar
Meaning
To introduce new methods, ideas, or products.
Example
The company must innovate to stay ahead of its competitors.
La empresa debe innovar para mantenerse por delante de sus competidores.
B2 adjective /ˌɪntərˈmiːdiət/

intermediate

intermedio
Meaning
Coming between two things in time, place, or order; in the middle level or stage.
Example
She is taking an intermediate-level French course.
Ella está tomando un curso de francés de nivel intermedio.
B2 adjective /ɪsˈlɑːmɪk/

islamic

islámico
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
La ciudad tiene muchos centros culturales islámicos.