Impure
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C1 adjective /ɪmˈpjʊər/

Impure

impuro
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
El agua impura causó problemas de salud en el pueblo.
C2 noun /ˈɪntərˌloʊpər/

interloper

intruso
Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
Se sintió como un intruso en la reunión familiar privada.
C1 noun /ɪnˈtruː.ʒən/

intrusion

intrusión no autorizada
Meaning
Unauthorized entry into a system or place without permission
Example
The company detected an intrusion in its server.
La empresa detectó una intrusión en su servidor.
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.
C2 noun /ɪnˈsuːsiəns/

insouciance

despreocupación
Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
Ella caminaba con un aire de despreocupación, sin preocuparse por los desafíos que venían.
A2 verb /ˌɪntrəˈduːs/

introduce

presentar
Meaning
to present someone; to bring in for the first time
Example
Let me introduce you to my friend.
Déjame presentarte a mi amigo.
C1 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

indiscriminadamente
Meaning
without making careful distinctions; randomly; without discrimination
Example
The company fired employees indiscriminately without considering their performance.
La empresa despidió a los empleados indiscriminadamente sin considerar su rendimiento.
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.
B1 noun ɪˈnɪʃətɪvz

initiatives

iniciativas
Meaning
Actions or strategies designed to resolve a difficulty or improve a situation; programs or projects.
Example
Community initiatives benefit underprivileged groups.
Las iniciativas comunitarias benefician a los grupos desfavorecidos.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inactivo
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
El volcán ha estado inactivo durante más de un siglo.
C1 adjective ɪnˈdel.ə.bəl

indelible

indeleble
Meaning
Making marks that cannot be removed; impossible to forget or remove.
Example
Her speech left an indelible mark on the audience.
Su discurso dejó una marca indeleble en la audiencia.
C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

inorgánico
Meaning
relating to substances that are not derived from living organisms; lacking organic structure or growth
Example
Inorganic compounds are commonly studied in chemistry labs.
Los compuestos inorgánicos se estudian en los laboratorios.
B1 noun aɪˈdɛntɪti

identity

identidad
Meaning
The fact of being who or what a person or thing is; the characteristics determining who or what a person or thing is.
Example
The day reinforces our national identity.
El día refuerza nuestra identidad nacional.
A2 noun /ˌɪnvɪˈteɪʃən/

invitation

felicidad
Meaning
a written or spoken request to attend an event or to participate in something
Example
She sent me an invitation to her wedding.
Ella no pudo ocultar su felicidad cuando recibió el premio.
A2 adjective /ɪl/

Ill

enfermo; mal; en mala salud
Meaning
sick; unwell; in poor health
Example
He felt ill and decided to stay home from work.
Se sintió enfermo y decidió quedarse en casa del trabajo.
C1 adjective /ˌɪnkɒmprɪˈhɛnsəbl/

incomprehensible

incomprensible
Meaning
Impossible or very difficult to understand.
Example
The professor’s lecture was so fast it became incomprehensible.
La conferencia del profesor fue tan rápida que se volvió incomprensible.
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

iluminati
Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
Muchas teorías de conspiración involucran a los Illuminati como un grupo secreto que controla el mundo.
C1 adjective /ˈaɪərnˌklæd/

ironclad

inquebrantable
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
La empresa tenía un contrato inquebrantable con sus proveedores.
C1 noun /ɪmˈbæl.əns/

Imbalance

desequilibrio
Meaning
lack of proportion or relation between corresponding things; unequal distribution
Example
The doctor said the patient's dizziness was caused by an inner ear imbalance.
El doctor dijo que el mareo del paciente fue causado por un desequilibrio en el oído interno.
C1 adjective /ˈɪnfəməs/

infamous

infame
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
El dictador era infame por su crueldad.
C2 noun /ɪˈnɪkwɪti/

iniquity

iniquidad
Meaning
Immoral or grossly unfair behavior.
Example
The dictator's regime was marked by corruption and iniquity.
El régimen del dictador estuvo marcado por la corrupción y la iniquidad.
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

inactividad
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
La inactividad prolongada puede afectar negativamente la salud física y mental.
C2 noun /ˈɪmpjʊdəns/

impudence

desvergüenza
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
La desvergüenza del estudiante sorprendió a toda la clase.
C2 noun /ˈɪnsələns/

insolence

insolencia
Meaning
rude or disrespectful behavior
Example
The teacher was shocked by the student's insolence.
El maestro se sorprendió por la insolencia del estudiante.
C1 adjective /ɪnˈdiːsənt/

indecent

indecente
Meaning
not conforming to accepted standards of behavior or morality; improper or offensive
Example
He was warned for making an indecent remark during the meeting.
Fue advertido por hacer un comentario indecente.
C1 verb ɪˈmɜːrs

immerse

sumergir
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
Sumérgete en el nuevo idioma.
C1 verb /ɪnˈvoʊk/

invoke

invocar
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
El abogado invocó la constitución para defender a su cliente.
C2 noun /ɪnˈdɛntʃər/

indenture

contrato de servidumbre
Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
En el siglo XVIII, muchos trabajadores estuvieron bajo un contrato de servidumbre para trabajar en el extranjero.
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 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.
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

inagotable
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
Su espíritu inagotable mantuvo al equipo motivado durante el largo proyecto.
C1 adjective ɪmˈpɛkəbl

impeccable

impecable
Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
Su impecable gusto en la moda fue admirado por todos sus compañeros.
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.
C1 noun /ˌɪməˈtjʊərəti/

immaturity

inmadurez
Meaning
the state of not being fully developed emotionally, mentally, or physically; lack of maturity
Example
His immaturity made it difficult for him to handle responsibility.
Su inmadurez le dificultó manejar la responsabilidad.
C1 adjective ˌɪn.təˈstel.ər

interstellar

entre las estrellas, interestelar, cósmico
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
Los científicos estudian las posibilidades de viajes interestelares.
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.
B1 adverb /ɪnˈkriːsɪŋli/

increasingly

cada vez más
Meaning
more and more over time
Example
People are increasingly concerned about climate change.
Las personas están cada vez más preocupadas por el cambio climático.
C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

incontrovertible
Meaning
impossible to deny or dispute; unquestionable
Example
The evidence was incontrovertible and proved his innocence.
La evidencia era incontrovertible y demostró su inocencia.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

impermeable
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
El contenedor está hecho de plástico impermeable.
B1 adverb /ɪˈnɪʃəli/

initially

inicialmente
Meaning
At the beginning; at first.
Example
Initially, he refused the offer but later accepted it.
Inicialmente, rechazó la oferta pero luego la aceptó.
C1 verb /ˌɪntərˈsɛpt/

intercept

interceptar
Meaning
to stop, catch, or seize something on its way from one place to another
Example
The police intercepted the stolen car before it crossed the border.
La policía interceptó el coche robado antes de que cruzara la frontera.
B1 noun/adjective /ˈɪnstənt/

instant

instantáneo
Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
Él respondió en un instante sin dudar.
C2 adjective /ˌɪmpɪˈkjuːniəs/

impecunious

pobre
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
Creció en una familia pobre.
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.
A1 noun /aɪs/

Ice

hielo
Meaning
water that has frozen and become solid
Example
The ice in my drink melted quickly in the hot weather.
El hielo en mi bebida se derritió rápidamente con el calor.
B1 noun /ˈɪn.flu.əns/

Influence

influencia; poder
Meaning
the capacity to have an effect on the character, development, or behavior of someone or something
Example
The teacher's positive influence helped the student overcome his learning difficulties.
La influencia positiva del maestro ayudó al estudiante a superar sus dificultades de aprendizaje.
C2 noun /ɪˈrɛvərəns/

irreverence

irreverencia
Meaning
a lack of respect for people or things that are generally taken seriously
Example
His jokes about religion showed irreverence to the sacred traditions.
Sus bromas sobre religión mostraron irreverencia hacia las tradiciones sagradas.
C2 adjective /ˌɪntəˈrɒɡətəri/

interrogatory

interrogativo
Meaning
expressed in the form of a question; relating to questioning
Example
The lawyer’s interrogatory tone made the witness uncomfortable.
El tono interrogativo del abogado hizo sentir incómodo al testigo.
C2 verb /ˌɪmpɔːrˈtuːn/

importune

pedir insistentemente
Meaning
To ask someone persistently or pressingly for something
Example
The child importuned his mother for a new toy.
El niño importunó a su madre para que le comprara un juguete nuevo.
C2 adjective /ɪmˈpɪəriəs/

imperious

imperioso
Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
Su tono imperioso dificultaba que los demás discutieran.
C1 adjective /ɪnˈflɛksəbl/

inflexible

inflexible
Meaning
Not able to bend or change; unwilling to change ideas or behavior.
Example
His inflexible attitude made negotiations difficult.
Su actitud inflexible dificultó las negociaciones.
C2 adjective /ˌɪnsəˈprɛsəbl/

insuppressible

irreprimible
Meaning
That cannot be suppressed or restrained.
Example
She had an insuppressible urge to laugh during the ceremony.
Ella tenía un impulso irreprimible de reír durante la ceremonia.
C2 noun /ˌɪmprɪˈmɑːtər/

imprimatur

imprimátur
Meaning
An official license or approval, especially to publish a book.
Example
The book was released with the official imprimatur of the church.
El libro fue lanzado con el imprimátur oficial de la iglesia.
C1 noun /ˌɪndɪˈdʒɛstʃən/

indigestion

indigestión
Meaning
Discomfort or pain in the stomach associated with difficulty in digesting food.
Example
He avoided spicy food because it often gave him indigestion.
Él evitó la comida picante porque a menudo le provocaba indigestión.
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

indigerible; difícil de digerir
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
El pan viejo se volvió duro e indigesto.
A1 noun /aɪˈdiː.ə/

Idea

idea; concepto; sugerencia
Meaning
a thought or suggestion as to a possible course of action; a concept or mental impression
Example
She had a brilliant idea for solving the company's efficiency problem.
Ella tenía una idea brillante para resolver el problema de eficiencia de la empresa.
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.
C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

interpolación
Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
El científico usó interpolación para predecir los puntos de datos faltantes.
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

inadmisible
Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
El juez dictaminó que la evidencia era inadmisible.
C1 verb /ɪnˈstɪl/

instill

instruir
Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
Los padres intentan inculcar buenos valores en sus hijos.
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.
A2 preposition /ɪnˈkluːdɪŋ/

including

incluido
Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
Muchas personas asistieron al evento, incluidos estudiantes y maestros.
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

impenitente
Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
El criminal permaneció impenitente después del juicio.
C1 noun /ɪnˈædɪkwəsi/

inadequacy

insuficiencia
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
Luchaba con sentimientos de insuficiencia en el trabajo a pesar de sus sólidas calificaciones.
C1 adjective /ɪnˈhɪbɪtɪd/

inhibited

inhibido
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
Él estaba demasiado inhibido para expresar sus verdaderos sentimientos.
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.
C2 noun /ˈɪnfəmi/

infamy

felicidad
Meaning
the state of being well known for some bad quality or deed
Example
His name will live in infamy for the crimes he committed.
No pudo ocultar su felicidad cuando recibió el premio.
C1 adjective /ɪnˈfleɪtɪd/

inflated

inflado
Meaning
excessively increased in size, value, or importance; filled with air or gas
Example
The company faced criticism for its inflated prices.
La empresa enfrentó críticas por sus precios inflados.
C1 verb /ˈaɪdəlaɪz/

idolize

idolatrar
Meaning
To admire or worship someone excessively.
Example
Fans often idolize celebrities for their talent and lifestyle.
Los fanáticos a menudo idolizan a las celebridades por su talento y estilo de vida.
C1 noun /aɪˈdiː.ə.lɪ.zəm/

Idealism

Idealismo
Meaning
the pursuit of high principles and noble goals; unrealistic pursuit of perfection
Example
His youthful idealism motivated him to join various social justice movements.
Su idealismo juvenil lo motivó a unirse a varios movimientos de justicia social.
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.
B1 noun ɪˈnɪʃətɪv

initiative

iniciativa
Meaning
An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.
Example
NASA's initiative to return humans to the Moon is ambitious.
La iniciativa de la NASA para devolver a los humanos a la Luna es ambiciosa.
B1 noun /ˈɪnsɪdənt/

incident

incidente
Meaning
an event or occurrence, often unpleasant or unusual
Example
The police quickly responded to the incident in the park.
La policía respondió rápidamente al incidente en el parque.
B1 verb /ɪmˈpɔːrt/

import

importar
Meaning
to bring goods or services into a country from abroad; to transfer data
Example
The country imports oil from abroad.
El país importa petróleo del extranjero.
C2 adjective /ɪnˈsuːsiənt/

insouciant

despreocupado
Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
Hizo un encogimiento de hombros despreocupado y se alejó.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

cultivo intercalado
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
El cultivo intercalado puede ayudar a mejorar la fertilidad del suelo y el control de plagas.
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

indemnizar
Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
La compañía de seguros acordó indemnizar al cliente por los daños.
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.
C2 noun /ɪnˈkɒnstənsi/

inconstancy

inconstancia
Meaning
The quality of changing frequently or being unreliable.
Example
The inconstancy of the weather makes planning difficult.
La inconstancia del clima hace que planificar sea difícil.
B2 verb /ˈaɪ.sə.leɪt/

isolate

aislar
Meaning
To separate something or someone from others.
Example
Doctors tried to isolate the patient to prevent the spread of infection.
Los doctores intentaron aislar al paciente para evitar la propagación de la infección.
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.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

por cierto
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
Por cierto, ¿sabías que estudió en París?
C1 verb /ɪnˈhɪbɪt/

inhibit

inhibir
Meaning
to prevent or restrain someone or something from acting freely; to hinder
Example
Fear can inhibit personal growth.
El miedo puede inhibir el crecimiento personal.
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

improbabilidad
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
La improbabilidad de ganar la lotería dos veces no la detuvo de comprar boletos.
C2 adjective ɪˈnɛfəbl

ineffable

inefable
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
La belleza del paisaje era inefable.
B1 verb /ɪnˈsɪst/

insist

insistir
Meaning
to demand firmly; to state persistently
Example
He insisted on paying the bill.
Él insistió en pagar la cuenta.
C1 adjective /ɪnˈfriːkwənt/

infrequent

poco frecuente
Meaning
Happening rarely or not often.
Example
He made infrequent visits to his hometown after moving abroad.
Él hacía visitas poco frecuentes a su ciudad natal después de mudarse al extranjero.
B1 verb /ɪnˈvɛs.tɪ.ɡeɪt/

investigate

investigar
Meaning
to carry out a systematic inquiry to discover facts or information
Example
The police will investigate the incident thoroughly.
La policía investigará el incidente a fondo.
C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

embriaguez
Meaning
the state of being drunk or intoxicated
Example
His frequent inebriety led to the loss of his job.
Su frecuente embriaguez le llevó a perder su trabajo.
C1 adjective /ˌɪnsərˈmaʊntəbl/

insurmountable

insuperable
Meaning
Too great to be overcome.
Example
The explorers faced insurmountable odds in the desert.
Los exploradores enfrentaron obstáculos insuperables en el desierto.
C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

incómodo
Meaning
Uncomfortably small, cramped, or inconvenient.
Example
We had to stay in an incommodious room during the trip.
Tuvimos que quedarnos en una habitación incómoda durante el viaje.
C2 noun /ɪnˈsaɪzər/

incisor

incisivo
Meaning
a narrow-edged tooth at the front of the mouth, adapted for cutting
Example
The dentist noted that his upper left incisor was chipped.
El dentista notó que su incisivo superior izquierdo estaba astillado.
C1 verb /ɪmˈpɛl/

impel

impulsar
Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
Su curiosidad la impulsó a abrir la caja misteriosa.
C1 adjective /ɪnˈsɪstənt/

insistent

insistente
Meaning
demanding something firmly and refusing to accept no
Example
The child was insistent on getting a new toy.
El niño era insistente en conseguir un nuevo juguete.
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

indestructible
Meaning
Impossible to destroy or break.
Example
The superhero's shield was said to be indestructible.
Se dijo que el escudo del superhéroe era indestructible.
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

intervencionismo
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
El intervencionismo del banco central ayudó a estabilizar la inflación.
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.
C2 verb /ˌɪntərˈsiːd/

intercede

interceder
Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
Ella intercedió con el maestro para darle otra oportunidad a su hermano.
C2 noun /ˈaɪ.kɒn/

ikon

imagen religiosa o símbolo
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
La iglesia mostró un ícono bellamente pintado de la Virgen María.
C1 adjective /ˌɪnhɒˈspɪtəbl/

inhospitable

inhóspito
Meaning
Harsh and difficult to live in; unfriendly or unwelcoming to guests.
Example
The desert is an inhospitable environment for most plants.
El desierto es un ambiente inhóspito para la mayoría de las plantas.
C1 noun /ˈɪmɪdʒəri/

imagery

imaginería
Meaning
visually descriptive or figurative language, especially in a literary work
Example
The poet's use of imagery brought the scene to life.
El uso de imaginería por el poeta dio vida a la escena.
C1 verb /ɪmˈpiːd/

impede

impedir
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
La falta de fondos puede impedir el crecimiento empresarial.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

instintivo, natural, automático
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
Su reacción instintiva le salvó la vida.
C2 adjective /ɪmˈpæsɪbəl/

impassible

impasible
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
Algunos filósofos argumentan que Dios es impasible y no puede experimentar emociones humanas.
A1 adjective /ɪmˈpɔː.tənt/

important

importante
Meaning
Of great significance or value; likely to have a profound effect on success, survival, or well-being.
Example
Important steps must be taken to address pollution.
Se deben tomar pasos importantes para abordar la contaminación.
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.
C2 verb ˈɪnʌndeɪt

inundate

inundar, abrumar a alguien o algo con cosas o personas que se deben manejar
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
La empresa fue inundada con solicitudes después del anuncio.
C1 adjective /ɪnˈdɪɡnənt/

indignant

indignado
Meaning
Feeling or showing anger at something considered unfair or unjust.
Example
She was indignant when accused of cheating.
Ella estaba indignada cuando la acusaron de hacer trampa.
C1 adjective /ˈɪnsjələr/

insular

limitado, relacionado con una isla
Meaning
Narrow-minded, isolated, or relating to an island.
Example
The community was criticized for its insular attitudes toward outsiders.
La comunidad fue criticada por sus actitudes insulares hacia los forasteros.
C1 adjective /ɪnˈvæljʊəbl/

invaluable

invaluable
Meaning
Extremely useful or indispensable.
Example
Her advice proved invaluable to my success.
Su consejo resultó invaluable para mi éxito.
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

importación
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
La importación de productos de lujo está estrictamente regulada.
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.
C2 noun /ɪmˈpjuːnɪti/

impunity

impunidad
Meaning
freedom from punishment or harmful consequences for an action
Example
The dictator ruled with impunity, ignoring international laws.
El dictador gobernó con impunidad, ignorando las leyes internacionales.
C2 verb /ˌɪntərˈlɒk/

interlock

encajar
Meaning
to fit or connect together securely so that two or more things are joined
Example
The gears interlock to ensure smooth movement of the machine.
Los engranajes encajan para asegurar el movimiento suave de la máquina.
C1 verb /ˈɪtəreɪt/

iterate

iterar
Meaning
To repeat a process or statement, often to improve or refine.
Example
The software team will iterate the design until it meets user needs.
El equipo de software iterará el diseño hasta que cumpla con las necesidades del usuario.
C2 adjective /ɪnˈvaɪələbl/

inviolable

inviolable
Meaning
never to be broken, dishonored, or violated
Example
Human rights are considered inviolable in modern democracies.
Los derechos humanos son considerados inviolables en las democracias modernas.
B1 verb /ɪnˈvɛnt/

invent

inventar
Meaning
to create or design something that has not existed before
Example
Thomas Edison invented the electric bulb.
Thomas Edison inventó la bombilla eléctrica.
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

ingratitud
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
Su ingratitud le dolió después de todo lo que ella había hecho por él.
B1 noun /ɪnˈtɛnʃən/

intention

intención
Meaning
A plan, aim, or purpose behind an action.
Example
Her intention was to finish the project before the deadline.
Su intención era terminar el proyecto antes de la fecha límite.
C1 adjective /ɪmˈpʌlsɪv/

impulsive

impulsivo, de impulso
Meaning
acting suddenly without careful thought
Example
She made an impulsive decision to buy the car.
Tomó una decisión impulsiva de comprar el coche.
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.