inane
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C1 adjective /ɪˈneɪn/

inane

insensato, tonto
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
La película fue criticada por sus diálogos insensatos.
C1 noun ˌɪndɪˈspensəbl səˈpɔːrt

indispensable support

apoyo indispensable
Meaning
Essential assistance that cannot be done without; absolutely necessary help.
Example
Volunteers provide indispensable support to communities.
Los voluntarios proporcionan apoyo indispensable a las comunidades.
C1 adjective /ɪnˈflæməbəl/

Inflammable

inflamable; combustible
Meaning
easily set on fire; flammable; combustible
Example
The inflammable material caught fire quickly.
El material inflamable se prendió rápidamente.
C2 noun /ˌɪntərˈrɛɡnəm/

interregnum

interregno
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
El país enfrentó inestabilidad durante el interregno después de la muerte del rey.
C2 adjective /aɪˈtɪnərənt/

itinerant

itinerante
Meaning
Traveling from place to place, especially for work or duty.
Example
The itinerant teacher moved from village to village to educate children.
El maestro itinerante se movía de pueblo en pueblo para educar a los niños.
C1 adjective /ɪnˈvɪnsəbl/

invincible

invencible
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
El equipo parecía invencible después de ganar diez partidos consecutivos.
C1 noun /ˈɪrɪtənt/

irritant

sustancia irritante
Meaning
something that causes irritation or discomfort
Example
Dust is a common irritant for people with allergies.
El polvo es un irritante común para las personas con alergias.
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

interesante
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
El documental sobre el espacio fue muy interesante.
B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

institucional
Meaning
Relating to an organization or established practice.
Example
The government made several institutional reforms in education.
El gobierno hizo varias reformas institucionales en la educación.
C2 adjective /ɪnˈsɛptɪv/

inceptive

inicial
Meaning
Relating to or marking the beginning or initial stage of something.
Example
The inceptive phase of the project was marked by enthusiastic planning.
La fase inicial del proyecto fue marcada por una planificación entusiasta.
C2 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

imperfectible
Meaning
Incapable of being made perfect or complete.
Example
Some human qualities are considered imperfectible.
Algunas cualidades humanas se consideran imperfectibles.
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.
B1 adjective /ˈɪnəsənt/

Innocent

inocente; puro; inocuo
Meaning
free from guilt or sin; pure; harmless; naive
Example
The innocent child had no idea that her parents were planning a surprise party.
La niña inocente no tenía idea de que sus padres estaban planeando una fiesta sorpresa.
C2 noun /ˈɪd.i.ə.si/

Idiocy

idiotez
Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
La decisión de ignorar los protocolos de seguridad fue pura idiotez que puso en peligro a todos.
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.
C2 verb ˈɪn.kʌl.keɪt

inculcate

inculcar
Meaning
Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.
Example
Parents should inculcate good values in their children.
Los padres deberían inculcar buenos valores en sus hijos.
C2 noun /ɪˈmɒdəsti/

immodesty

immodestia
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
El artículo fue criticado por su tono de immodestia.
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

instrumentista
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
El instrumentista tocó un hermoso solo en el violín.
B1 adjective /ɪnˈvɑːlvd/

involved

involucrado
Meaning
complicated or engaged in something
Example
She was deeply involved in community service.
Ella estaba profundamente involucrada en el servicio comunitario.
A2 noun/verb /ˈɪntrəst/ or /ˈɪntəˌrɛst/

interest

interés / interés financiero
Meaning
A feeling of curiosity or concern about something; or money paid for the use of borrowed money.
Example
He showed great interest in learning new languages.
Él mostró un gran interés en aprender nuevos idiomas.
C1 adjective /ɪˈnɛpt/

inept

inepto
Meaning
lacking skill or ability; clumsy or incompetent
Example
His inept handling of the situation made it worse.
Su manejo inepto de la situación lo empeoró.
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

iridiscente
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
Ella llevaba un vestido iridiscente que brillaba a la luz.
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

cobertura externa
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
La serpiente pierde su cobertura externa a medida que crece.
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

ingenio
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
Su ingenio llevó a innovaciones pioneras.
C2 adjective /ɪnˈklɛmɛnt/

inclement

clima inclemente
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
El partido fue cancelado debido al clima inclemente.
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 verb /ˌɪn.trəˈmɪt/

intromit

introducir
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
El doctor introdujo cuidadosamente el instrumento en la herida.
C2 verb /ˌɪntərˈmɪt/

intermit

interrumpir
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
La lluvia se interrumpiría y luego comenzaría de nuevo.
B2 noun /ɪsˈlɑːm/

islam

islám religión
Meaning
the religion founded by the Prophet Muhammad, based on belief in one God (Allah)
Example
Islam emphasizes peace, justice, and compassion.
El Islam enfatiza la paz, la justicia y la compasión.
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.
C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

inextensible
Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
Esta cuerda está hecha de un material inextensible.
B1 verb /ɪnˈstɔːl/

install

instalar
Meaning
To place or fix equipment or software so it is ready for use.
Example
He installed the new software on his computer.
Él instaló el nuevo software en su computadora.
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

insinuación
Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
Ella no dio ninguna insinuación sobre sus planes.
C1 noun /ɪnˌtɪmɪˈdeɪʃən/

intimidation

intimidación
Meaning
The action of frightening or threatening someone to make them do something.
Example
The workers reported cases of intimidation by the management.
Los trabajadores informaron casos de intimidación por parte de la administración.
B2 adjective ˌɪnstrəˈmɛntl

instrumental

instrumental
Meaning
Serving as a crucial means, agent, or tool; having a part in bringing about a result.
Example
Children can be instrumental in building a better society.
Los niños pueden ser instrumentales en la construcción de una sociedad mejor.
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.
C1 verb /ɪnˈdʌkt/

induct

admitir formalmente a alguien en una posición, organización o cargo
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Ella fue admitida en la sociedad de honor de la universidad.
C1 adjective /ˌɪmprɪˈsaɪs/

imprecise

impreciso
Meaning
Not exact or accurate; vague.
Example
His explanation was too imprecise to be helpful.
Su explicación era demasiado imprecisa para ser útil.
C1 noun ɪnˈdɪdʒɪnəs trəˈdɪʃənz

Indigenous Traditions

Tradiciones indígenas
Meaning
Cultural practices, beliefs, and customs that have been passed down through generations among native peoples.
Example
Indigenous traditions in the Chittagong Hill Tracts are unique.
Las tradiciones indígenas en los Chittagong Hill Tracts son únicas.
C1 adjective /ˈɪntrɪkət/

intricate

intrincado
Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
El artista creó un patrón intrincado en la pared.
C1 verb /ˈɪnfɪltreɪt/

infiltrate

infiltrarse
Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
Los espías lograron infiltrarse en la base enemiga.
A2 noun /ˈaɪ.lənd/

Island

isla
Meaning
a piece of land completely surrounded by water
Example
We visited a beautiful island during our vacation.
Visitamos una hermosa isla durante nuestras vacaciones.
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.
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

encarcelar
Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
Las autoridades encarcelaron al criminal después del juicio.
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.
B1 noun ɪmˈpruːv.mənts

improvements

mejoras
Meaning
The action of making or becoming better; an instance of something becoming or being made better.
Example
Continuous improvements increase productivity.
Las mejoras continuas aumentan la productividad.
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.
C2 noun /ˈɪmɪˌteɪtər/

imitator

imitador
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
Se hizo famoso como imitador de cantantes populares.
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 adjective /ɪnˈdʒʊəriəs/

injurious

perjudicial
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
Fumar es perjudicial para la salud.
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

inconmensurable
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
El amor inconmensurable de una madre no tiene límites.
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.
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.
C2 adjective /ˌɪnɪkˈspiːdiənt/

inexpedient

desaconsejable
Meaning
Not advisable, suitable, or practical in the circumstances.
Example
It would be inexpedient to invest without proper research.
Sería desaconsejable invertir sin una investigación adecuada.
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.
C1 adjective /ɪmˈplɔːzəbl/

implausible

implausible
Meaning
Not seeming reasonable or probable; unlikely to be true.
Example
The story she told was so implausible that no one believed her.
La historia que ella contó era tan implausible que nadie le creyó.
C2 verb /ɪmˈbruː/

imbrue

manchar
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
Sus manos estaban manchadas con sangre después de la batalla.
C1 adjective /ɪˈmuː.və.bəl/

immovable

inmóvil
Meaning
Not able to be moved; fixed in position.
Example
Immovable barriers prevent change.
Las barreras inmóviles impiden el cambio.
C1 noun (plural) /ˈɪndɪˌsiːz/

indices

índices
Meaning
plural form of index; statistical measures or reference points used for comparison
Example
Stock market indices fell sharply after the announcement.
Los índices del mercado de valores cayeron drásticamente después del anuncio.
A1 pronoun /aɪ/

i

yo
Meaning
used by a speaker to refer to himself or herself
Example
I am learning English every day.
Yo estoy aprendiendo inglés todos los días.
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.
C1 adjective ˌɪn.trəˈspek.tɪv

introspective

introspectivo
Meaning
Characterized by or given to introspection; examining one's own thoughts and feelings.
Example
Writers tend to be highly introspective individuals.
Los escritores tienden a ser individuos altamente introspectivos.
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 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.
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 verb /ɪmˈpɛrɪl/

imperil

poner en peligro
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
La conducción imprudente puede poner en peligro la vida de otros.
C1 noun /ɪnˈsɜːʃən/

insertion

inserción
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
La inserción de los nuevos datos se completó con éxito.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

indiferencia; desinterés; apatía
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
Su indiferencia por sus estudios resultó en malas calificaciones durante todo el semestre.
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.
C2 adjective /ɪˈrɛzəluːt/

irresolute

indeciso
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
Él se quedó indeciso en el cruce de caminos, sin saber qué camino tomar.
C1 adjective ˌɪdiəsɪnˈkrætɪk

idiosyncratic

peculiar e individual
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
Su comportamiento idiosincrático lo diferenciaba de sus compañeros.
A2 adjective /ɪmˈpɑːsəbl/

impossible

imposible
Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
Es imposible terminar este trabajo en un día.
C1 noun /ɪnˈfjuːʒən/

infusion

infusión
Meaning
the act of introducing something into another; a drink made by steeping leaves or herbs in liquid
Example
She prepared a calming infusion of chamomile tea.
Ella preparó una infusión calmante de té de manzanilla.
C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

introversión
Meaning
The tendency to be inward-looking and shy, preferring solitary activities.
Example
Her introversion made it difficult for her to enjoy large parties.
Su introversión le dificultaba disfrutar de las grandes fiestas.
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.
C1 adjective /ˌɪnɪkˈskjuːzəbl/

inexcusable

inexcusable
Meaning
Too bad to be justified or overlooked; unforgivable.
Example
His rude behavior was inexcusable.
Su comportamiento grosero era inexcusable.
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

incendiario / provocador
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
Las declaraciones incendiarias del político enfurecieron a la multitud.
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; noun /ɪˈmɔːrtl/

immortal

inmortal
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
Las leyendas describen a los héroes como inmortales.
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.
C1 adjective /aɪˈdɪlɪk/

idyllic

idílico y hermoso
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
Disfrutaron de unas vacaciones idílicas junto al mar.
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.
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 /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.
C1 adjective /ɪmˈpæsəbəl/

impassable

intransitable
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
La carretera se volvió intransitable después de la fuerte nevada.
C2 noun /ɪnˈvɛstɪtʃər/

investiture

ceremonia de investidura
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
El rey celebró una ceremonia de investidura para el nuevo caballero.
A2 noun /ˈɪntəvjuː/

interview

entrevista
Meaning
A meeting of people face to face, especially for consultation.
Example
The interview was conducted in a calm and professional manner.
La entrevista se llevó a cabo de manera tranquila y profesional.
C2 adjective /ɪˈlɪbərəl/

illiberal

iliberal
Meaning
Opposed to liberal principles; restricting freedom of thought or behavior.
Example
The government was criticized for its illiberal policies.
El gobierno fue criticado por sus políticas iliberales.
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 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.
C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

intuitivo
Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
El software tiene un diseño intuitivo que lo hace fácil de usar.
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.
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

Indisoluble
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
El matrimonio alguna vez fue considerado un vínculo indisoluble.
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

descarado, insolente
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
El niño descarado le contestó al maestro.
B1 noun ˌɪn.stɪˈtjuː.ʃən

institution

institución
Meaning
An organization founded and united for a specific purpose; an established law, practice, or custom.
Example
Institutions play a crucial role in governance.
Las instituciones desempeñan un papel crucial en la gobernanza.
C1 adjective /ɪmˈpæʃənd/

impassioned

apasionado
Meaning
Filled with or showing great emotion.
Example
She gave an impassioned speech about human rights.
Ella dio un discurso apasionado sobre los derechos humanos.
C1 noun /ɪnˈdjuːsmənt/

inducement

inducido
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
La empresa ofreció un bono como incentivo para los empleados.
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 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.
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.
B1 adjective ˌɪn.dɪˈpen.dənt

independent

independiente
Meaning
Not depending on another for livelihood or subsistence; free from outside control; not subject to another's authority.
Example
An independent institution ensures transparency in governance.
Una institución independiente garantiza la transparencia en la gobernanza.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

daño irreversible
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
El cambio climático causa daño irreversible a los ecosistemas.
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.
C1 verb /ɪnˈskraɪb/

inscribe

grabar
Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
Ellos grabaron su nombre en el trofeo.
C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

inagotable
Meaning
Unable to be used up or worn out; limitless.
Example
His inexhaustible energy allowed him to work tirelessly on his projects.
Su energía inagotable le permitió trabajar incansablemente en sus proyectos.
C1 adjective ˌɪn.krəˈmen.təl

incremental

incremental
Meaning
Relating to or denoting an increase or addition, especially one of a series on a fixed scale; proceeding in small stages.
Example
Incremental changes ensure sustainability.
Los cambios incrementales aseguran la sostenibilidad.
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.
C1 verb /ɪnˈklaɪn/

incline

inclinarse
Meaning
to feel willing or favorably disposed toward something; to bend or tilt
Example
She is inclined to agree with the proposal.
Ella está inclinada a estar de acuerdo con la propuesta.
B1 adverb /ˈɪnstəntli/

instantly

instantáneamente
Meaning
immediately, without any delay
Example
He replied instantly to the message.
Él respondió instantáneamente al mensaje.
C1 adjective /ɪnˈses.ənt/

incessant

incesante
Meaning
Continuing without pause or interruption; constant.
Example
The incessant noise from the construction site made it hard to concentrate.
El ruido incesante del sitio de construcción dificultaba concentrarse.
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

incitar
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
Fue acusado de incitar el motín.
C2 noun /aɪˈkɒnəklæst/

iconoclast

iconoclasta
Meaning
A person who attacks or criticizes cherished beliefs, traditions, or institutions.
Example
He was known as an iconoclast who challenged old traditions.
Era conocido como un iconoclasta que desafiaba las viejas tradiciones.
C2 adjective /ɪnˈsɪpiənt/

incipient

incipiente
Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
La tormenta incipiente hizo que el cielo se volviera oscuro y pesado.
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

indignación
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
La indignación pública creció después del veredicto injusto.
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.
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.
C2 adjective /ɪnˈæpt/

Inapt

inadecuado; inapropiado; impropio
Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
Su comentario fue inapropiado para la reunión formal.
B1 verb /ˈɪndʒər/

injure

lesionar
Meaning
to cause physical harm or damage to someone or something
Example
He injured his leg while playing football.
Él lesionó su pierna mientras jugaba al fútbol.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

infinitesimal
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
El error fue tan infinitesimal que no afectó los resultados.
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.