ineffective
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B2 adjective ˌɪnɪˈfɛktɪv

ineffective

ineficaz
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
El aprendizaje mecánico a menudo resulta ineficaz.
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 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 /ɪmˈprɒp.ər/

Improper

impropio; incorrecto; inapropiado
Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
Sería impropio discutir asuntos personales en una reunión de negocios.
B2 verb /ɪnˈkɔːrpəreɪt/

incorporate

incorporar
Meaning
to include something as part of a whole; to form a corporation
Example
The new design incorporates advanced technology.
El nuevo diseño incorpora tecnología avanzada.
B2 adjective /ˈɪmpæktfʊl/

impactful

impactante
Meaning
Having a major impact or effect; powerful and forceful.
Example
Her impactful speech moved the audience to take action.
Su discurso impactante movió al público a tomar acción.
B2 adjective ˈɪn.tɪ.ɡrəl

integral

integral
Meaning
Necessary to make a complete whole; essential or fundamental.
Example
Exercise is an integral part of a healthy lifestyle.
El ejercicio es una parte integral de un estilo de vida 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 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 adjective /ɪnˈtɒlərənt/

intolerant

intolerante
Meaning
unwilling to accept or respect beliefs or behavior different from one's own
Example
He is intolerant of any opinion that differs from his own.
Él no tolera ninguna opinión que difiera de la suya.
B2 noun /ɪnˈhæbɪtənt/

inhabitant

habitante
Meaning
a person or animal that lives in a particular place
Example
The inhabitants of the village rely on farming for their livelihood.
Los habitantes del pueblo dependen de la agricultura para su sustento.
B2 noun /ˈɪnstɪŋkt/

instinct

instinto
Meaning
A natural way of behaving or reacting that does not require learning.
Example
Birds build nests by instinct.
Los pájaros construyen nidos por instinto.
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 adjective /ɪˈmɒrəl/

immoral

inmoral
Meaning
Not conforming to accepted standards of morality; unethical or wicked.
Example
He was fired for his immoral behavior.
Lo despidieron por su comportamiento inmoral.
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 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 adjective /ɪnˈædɪkwət/

inadequate

inadecuado
Meaning
Not sufficient or good enough.
Example
The funding was inadequate to complete the project.
El financiamiento era inadecuado para completar el proyecto.
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 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 adjective /ˌɪnəˈproʊpriət/

inappropriate

inapropiado
Meaning
not suitable or proper in the circumstances
Example
It was inappropriate to talk loudly in the library.
Era inapropiado hablar en voz alta en la biblioteca.
B2 adjective /ɪnˈtɛnsɪv/

intensive

intenso
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
Ella asistió a un curso intensivo de inglés antes de mudarse al extranjero.
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 adjective /ɪnˈklaɪnd/

inclined

inclinada
Meaning
having a tendency or disposition toward something
Example
He is inclined to help those in need.
Él está inclinado a ayudar a los necesitados.
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 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 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 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 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 verb /ɪnˈfɜːr/

infer

inferir
Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
De su silencio, inferí que no estaba feliz con la decisión.
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 /ˌɪmɪˈɡreɪʃən/

immigration

inmigración
Meaning
the action of coming to live permanently in a foreign country
Example
Immigration policies vary from country to country.
Las políticas de inmigración varían de un país a otro.
B2 verb /ˈɪmɪɡreɪt/

immigrate

inmigrar
Meaning
to come to live permanently in a foreign country
Example
He immigrated to Canada five years ago.
Él inmigró a Canadá hace cinco años.
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 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 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

aislación
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
El paciente fue mantenido en aislamiento para prevenir la propagación de la enfermedad infecciosa.
B2 noun /ˈɪntərvəl/

interval

intervalo
Meaning
a period of time between two events or points; a pause or break in activity
Example
There was a short interval between the two performances.
Hubo un breve intervalo entre las dos funciones.
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 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 /ɪnˈtɪəriər/

interior

interior
Meaning
the inside part of something; inner area of a place or object
Example
The interior of the hotel was beautifully decorated.
El interior del hotel estaba bellamente decorado.
B2 verb /ɪnˈherɪt/

inherit

heredar
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
Ella heredó la casa de su abuela.
B2 adjective /ɪˈmædʒ.ɪ.nər.i/

Imaginary

imaginario; ficticio; no real
Meaning
existing only in imagination; not real; fictional
Example
The child had an imaginary friend who she talked to every day.
La niña tenía un amigo imaginario con el que hablaba todos los días.
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.
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 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 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 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 noun /ɪmˈpeɪʃəns/

impatience

impaciencia
Meaning
The state of being quickly irritated or unable to wait calmly.
Example
His impatience grew as the meeting dragged on.
Su impaciencia creció a medida que la reunión se alargaba.
B2 noun /ˈaɪkɒn/

icon

ícono, símbolo
Meaning
A person or thing regarded as a symbol of something, or a graphic symbol on a screen.
Example
The singer became a cultural icon.
El cantante se convirtió en un ícono cultural.
B2 verb aɪˈdɛntɪfaɪd

identified

identificado
Meaning
To recognize or establish who or what someone or something is.
Example
The root causes of the issue need to be identified.
Las causas raíz del problema deben ser identificadas.
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 /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 verb /ɪnˈfɛkt/

infect

infectar
Meaning
To contaminate with a disease-causing organism.
Example
The virus can infect healthy people quickly.
El virus puede infectar a las personas saludables rápidamente.
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 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 /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 /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 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 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 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 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 /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 /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 /ˌɪrɪˈzɪstəbəl/

Irresistible

irresistible
Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
El pastel de chocolate era absolutamente irresistible.
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 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 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 ɪnˈsɛntɪvz

incentives

incentivos
Meaning
Things that motivate or encourage one to do something.
Example
Tax incentives are used to encourage investment in renewable energy.
Se utilizan incentivos fiscales para fomentar la inversión en energía renovable.
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 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 /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

investigación / consulta
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
El comité inició una investigación sobre las irregularidades financieras.
B2 verb /ˈɪntɪɡreɪt/

integrate

integrar
Meaning
To combine or bring together into a unified whole.
Example
The new system integrates data from multiple sources.
El nuevo sistema integra datos de múltiples fuentes.
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 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 verb /ɪnˈflɪkt/

inflict

infligir
Meaning
to cause something unpleasant or painful to be suffered by someone or something
Example
The storm inflicted considerable damage to the city.
La tormenta infligió un daño considerable a la ciudad.
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 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 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

industrialización
Meaning
The development of industries in a country or region on a wide scale.
Example
Industrialization changed the global economy dramatically.
La industrialización cambió drásticamente la economía global.
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 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 noun /ˈaɪ.dəl/

Idol

ídolo; persona admirada
Meaning
an image or representation of a god used as an object of worship; a person who is greatly admired
Example
The singer became a teenage idol after her hit song topped the charts worldwide.
La cantante se convirtió en un ídolo adolescente después de que su canción de éxito llegara a la cima de las listas de éxitos mundiales.
B2 verb /ɪmˈplaɪ/

imply

implicar
Meaning
To suggest something without directly stating it.
Example
Her tone seemed to imply that she was upset.
Su tono parecía implicar que estaba molesta.
B2 noun ˈɪn.deks

index

índice
Meaning
An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.
Example
An index organizes critical data.
Un índice organiza datos importantes.
B2 noun /ɪnˈfek.ʃən/

Infection

infección
Meaning
the process of infecting or the state of being infected; a disease caused by germs
Example
The doctor prescribed antibiotics to treat the bacterial infection in her throat.
El doctor recetó antibióticos para tratar la infección bacteriana en su garganta.
B2 noun ˈɪndɪkeɪtə

indicator

indicador
Meaning
A thing that indicates the state or level of something.
Example
The unemployment rate is a key indicator of economic health.
La tasa de desempleo es un indicador clave de la salud económica.
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 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 /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 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 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 /ˈɪnˌsaɪtfəl/

insightful

perspicaz
Meaning
Showing deep understanding or perceptiveness.
Example
The professor gave an insightful lecture on global economics.
El profesor dio una conferencia perspicaz sobre la economía global.
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 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 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 /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 adjective /aɪˈrɒnɪkəl/

ironical

irónico
Meaning
expressing irony; having the nature of irony
Example
Her ironical tone made everyone uncomfortable.
Su tono irónico hizo que todos se sintieran incómodos.
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 noun /ɪnˈfɪnɪti/

infinity

infinito
Meaning
A concept describing something without any limit or end.
Example
The universe seems to stretch into infinity.
El universo parece extenderse hacia el infinito.
B2 adjective /ɪnˈækjərət/

Inaccurate

incorrecto; erróneo; equivocado
Meaning
not correct; containing errors; wrong
Example
The weather forecast was inaccurate yesterday.
El pronóstico del tiempo estuvo incorrecto ayer.
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 /ɪnˈvɛstɪˌɡeɪtər/

investigator

felicidad
Meaning
a person who carries out a formal inquiry or investigation
Example
The investigator gathered evidence from the crime scene.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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 verb ɪmˈpoʊz

imposes

imponer
Meaning
To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.
Example
Pollution imposes harmful effects on the environment.
La contaminación impone efectos perjudiciales en el medio ambiente.
B2 adjective /aɪˈrɒnɪk/

ironic

irónico, sarcástico
Meaning
happening in the opposite way to what is expected, often amusing or sarcastic
Example
It is ironic that the fire station burned down.
Es irónico que la estación de bomberos se haya quemado.
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 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 verb /ɪnˈtɜːrprət/

interpret

interpretar / traducir
Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
Ella tuvo que interpretar el discurso para los invitados extranjeros.
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 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, 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 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 verb /ɪnˈhæbɪt/

inhabit

habitar
Meaning
to live in; to occupy as a dwelling
Example
Many animals inhabit the forest.
Muchos animales habitan el bosque.
B2 noun ɪˈlɪtərəsi

illiteracy

analfabetismo
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
El analfabetismo a menudo conduce a la pobreza y el desempleo.
B2 adjective /ɪnˈfɔːrmətɪv/

Informative

informativo
Meaning
giving or providing useful information; educational; instructive
Example
The documentary was very informative and educational.
El documental fue muy informativo y educativo.
B2 noun /ˌɪntərˈsɛkʃən/

intersection

intersección
Meaning
a point where two or more things intersect, especially a road or path
Example
The intersection of Main Street and 5th Avenue is always busy.
La intersección de la calle principal y la 5ª avenida siempre está ocupada.
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 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 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 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 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 /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 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.