islet
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C2 noun /ˈaɪ.lət/

islet

islote
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
Los pescadores descansaron en un islote pequeño antes de continuar su viaje.
C2 noun /ˌɪnədˈvɜːrtəns/

inadvertence

descuido
Meaning
Failure to pay attention; carelessness.
Example
The error happened through sheer inadvertence.
El error ocurrió por pura inadvertencia.
C2 noun /ɪˈnænɪti/

inanity

tonterías, necedades
Meaning
a nonsensical remark or action; silliness; emptiness
Example
The speech was full of inanities that bored the audience.
El discurso estaba lleno de tonterías que aburrían a la audiencia.
C2 adjective /ɪnˈsɛnʃənt/

insentient

insensible
Meaning
Lacking perception, consciousness, or sensation.
Example
The rock is an insentient object with no awareness.
La roca es un objeto insensible sin conciencia.
C2 adjective /ɪˈnɪm.ɪ.tə.bəl/

inimitable

inimitable
Meaning
So good or unusual as to be impossible to copy; unique.
Example
His inimitable writing style made him a literary legend.
Su estilo de escritura inimitable lo convirtió en una leyenda literaria.
C2 noun /aɪər/

ire

ira, enojo
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
La nueva política provocó la ira de los empleados.
C2 noun /ˈɪŋkjʊbəs/

incubus

espíritu maligno
Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
La deuda se convirtió en un espíritu maligno que pesaba mucho sobre la familia.
C2 noun /ɪnˈtɛmpərəns/

intemperance

intemperancia
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
Su intemperancia al beber arruinó su salud.
C2 noun /ˌɪlɪbəˈræləti/

illiberality

ilicitud
Meaning
The quality of being illiberal; lack of tolerance or generosity.
Example
The illiberality of the new laws alarmed the citizens.
La iliberalidad de las nuevas leyes alarmó a los ciudadanos.
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

invalidez
Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
El tribunal dictaminó que el contrato tenía invalidez.
C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

impenetrable
Meaning
Unable to be captured, broken into, or defeated.
Example
The fortress was considered impregnable by the enemy.
La fortaleza fue considerada impenetrable por el enemigo.
C2 adjective /ˈɪkθiɪk/

ichthyic

ictíico
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
La pintura del artista tenía una cualidad ictíica.
C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

intachable
Meaning
Beyond criticism; faultless.
Example
The judge was known for his irreproachable integrity.
El juez era conocido por su integridad intachable.
C2 adjective /ˈɪnˌbrɛd/

inbred

innato
Meaning
existing naturally in a person or animal; also related to reproduction within a limited community
Example
He has an inbred sense of loyalty.
Él tiene un sentido innato de lealtad.
C2 noun /ɪnˈfriːkwəns/

infrequence

infrecuencia
Meaning
The state of occurring rarely or at long intervals.
Example
The infrequence of their meetings made it hard to maintain close ties.
La infrecuencia de sus reuniones hacía difícil mantener vínculos cercanos.
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

irreconciliable
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
La pareja se separó debido a diferencias irreconciliables.
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.
C2 adjective /ɪnˈfɜːrnəl/

infernal

infernal
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
Los trabajadores se quejaron del ruido infernal proveniente del sitio de construcción.
C2 noun /ɪnˈtɛnʃən/

intension

contenido interno
Meaning
The internal content of a concept; the set of attributes implied by a word or phrase.
Example
The intension of the word 'dog' includes being a mammal and domesticated.
La intensión de la palabra 'perro' incluye ser un mamífero y ser domesticado.
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

irreverente
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
Su humor irreverente a menudo sorprendía a las audiencias tradicionales.
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

idolatrar
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
Comenzaron a idolatrar la estatua como una deidad.
C2 adjective /ɪmˈpɒndərəbl̩/

imponderable

imponderable
Meaning
Something difficult or impossible to estimate, assess, or understand
Example
The outcome of the election depends on many imponderable factors.
El resultado de las elecciones depende de muchos factores imponderables.
C2 noun /ˈɪn.dɪ.dʒəns/

indigence

indigencia
Meaning
a state of extreme poverty or destitution
Example
The charity was founded to help people living in indigence.
La caridad se fundó para ayudar a las personas que viven en indigencia.
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 /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.
C2 adjective /ɪnˈsɪpɪd/

insipid

insípido
Meaning
lacking flavor, interest, or excitement; dull
Example
The soup was insipid and needed more seasoning.
La sopa estaba insípida y necesitaba más condimentos.
C2 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

interpolar
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
El editor interpoló un párrafo faltante en el manuscrito.
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 adjective /ɪnˈɛksərəbl/

inexorable

inexorable
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
El inexorable aumento de la tecnología está cambiando cada aspecto de la vida.
C2 verb /ˈɪməleɪt/

immolate

inmolar
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
Los manifestantes amenazaron con inmolarse frente al edificio.
C2 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

de mal carácter
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
Hizo un comentario de mal carácter sobre su colega.
C2 noun /ɪnˈhɪərəns/

inherence

inherencia
Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
La inherencia del riesgo es parte de cada aventura empresarial.
C2 adjective /ˈɪndələnt/

indolent

perezoso
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
El gato perezoso durmió al sol toda la tarde.
C2 noun /ˌɪntərˈsɛʃən/

intercession

intercesión
Meaning
the act of intervening or pleading on behalf of another person
Example
The prisoner was released due to the intercession of influential leaders.
El prisionero fue liberado gracias a la intercesión de líderes influyentes.
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

desconsiderado
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
Fue incogitante de su parte hacer un comentario tan grosero.
C2 adjective /ɪˈmɒdɪst/

immodest

presuntuoso / indecente
Meaning
lacking humility or decency; excessively proud or improper
Example
His immodest remarks offended the audience.
Sus comentarios presuntuosos ofendieron a la audiencia.
C2 noun /ɪmˈpaɪ.ə.ti/

Impiety

impiedad
Meaning
lack of piety or reverence, especially for a god; disrespect or irreverence toward religious matters
Example
His impiety shocked the religious community when he mocked their sacred ceremonies.
Su impiedad sorprendió a la comunidad religiosa cuando se burló de sus ceremonias sagradas.
C2 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

en la medida en que
Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
En la medida en que eres su maestro, deberías guiarlos cuidadosamente.
C2 noun /ˈaɪ.səˌbɑːr/

isobar

isóbara
Meaning
A line on a weather map connecting points of equal atmospheric pressure.
Example
The meteorologist explained how isobars indicate wind speed and direction.
El meteorólogo explicó cómo las isóbaras indican la velocidad y dirección del viento.
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.
C2 adjective /ɪmˈpælpəbəl/

impalpable

intangible
Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
Había una sensación intangible de miedo en la habitación.
C2 adjective ɪnˈfiː.zə.bəl

infeasible

invable
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
Restaurar el bosque puede volverse inviable si la destrucción continúa.
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

incandescente
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
La lámpara incandescente iluminó todo el salón.
C2 adjective /ˌaɪdəˈlɑːtrɪəs/

idolatrious

idolátrico
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
La antigua tribu era conocida por sus prácticas idolátricas.
C2 adjective /ɪmˈplaɪəbl/

impliable

implícito
Meaning
Capable of being implied or suggested.
Example
The meaning of the statement is not directly clear but is impliable from the context.
El significado de la declaración no es directamente claro, pero es implicable por el contexto.
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

embrollo
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
El embrollo político duró meses sin resolución.
C2 noun /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

diplomacia integradora
Meaning
A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.
Example
Integrative diplomacy strengthens alliances.
La diplomacia integradora fortalece las alianzas.
C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

insurrección
Meaning
A violent uprising against an authority or government.
Example
The army was called in to suppress the insurrection.
El ejército fue llamado para sofocar la insurrección.
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

irremediable
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
El daño al antiguo manuscrito era irremediable.
C2 adjective /ɪnˈɡlɔːriəs/

inglorious

deshonroso
Meaning
Causing shame or disgrace; not bringing honor or glory.
Example
The army suffered an inglorious defeat.
El ejército sufrió una derrota deshonrosa.
C2 adjective /ˌɪnsəˈluːbriəs/

insalubrious

insalubre
Meaning
Unhealthy or not conducive to well-being.
Example
They moved out of the insalubrious neighborhood for the sake of their health.
Se mudaron del vecindario insalubre por el bien de su salud
C2 noun /ɪˈluːmɪnənt/

illuminant

iluminante
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
La lámpara actuó como un iluminante en la cueva oscura.
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.
C2 adjective /ɪnˈseɪʃiət/

insatiate

insaciable
Meaning
impossible to satisfy; always wanting more
Example
He had an insatiate desire for power.
Él tenía un deseo insaciable de poder.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

ilegibilidad
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
La letra del médico era famosa por su ilegibilidad entre el personal de la farmacia.
C2 noun /ɪmˈpruː.dəns/

Imprudence

imprudencia; descuido; temeridad
Meaning
the quality of being imprudent; lack of care for consequences; recklessness
Example
His financial imprudence led to bankruptcy within just two years.
Su imprudencia financiera llevó a la quiebra en solo dos años.
C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

insuportable
Meaning
Too extreme or difficult to be endured.
Example
The heat was insupportable during the long journey.
El calor era insoportable durante el largo viaje.
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

imperturbabilidad
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
Su imperturbabilidad durante la crisis impresionó a todos.
C2 adjective /ˈɪnfəntaɪl/

infantile

infantil
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
Su comportamiento infantil avergonzó a todos en la reunión.
C2 verb /ˌɪntərˈpoʊz/

interpose

interponer
Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
Él rápidamente se interpuso entre los luchadores para detener la pelea.
C2 adjective/noun /ɪnˈkɑːrnədiːn/

incarnadine

rojo intenso
Meaning
a bright crimson or pinkish-red color
Example
The sky turned incarnadine at sunset.
El cielo se tornó rojo intenso al atardecer.
C2 adjective /ɪnˈvaɪələt/

inviolate

inviolado
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
El antiguo templo permaneció inviolado durante siglos.
C2 noun /ˌɪnəməˈrɑːtə/

inamorata

amante
Meaning
A woman with whom someone is in love; a female lover.
Example
He wrote a poem dedicated to his inamorata.
Escribió un poema dedicado a su enamorada.
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

interlocutor
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
Ella era una interlocutora hábil durante el debate.
C2 adjective /ɪnˈtræn.sɪ.dʒənt/

intransigent

intransigente, terco, obstinado
Meaning
Unwilling or refusing to change one's views or to agree about something.
Example
His intransigent stance delayed the agreement.
Su postura intransigente retrasó el acuerdo.
C2 noun /ˈɪrɪtənsi/

irritancy

irritación
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
El ruido constante se convirtió en una irritación para los vecinos.
C2 adjective /ɪˈnjʊərd/

inured

acostumbrado
Meaning
Accustomed to something, especially something unpleasant.
Example
After years of hardship, she was inured to suffering.
Después de años de sufrimiento, ella estaba acostumbrada al dolor.
C2 noun /ˈɪnroʊd/

inroad

progreso
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
La compañía hizo avances significativos en el mercado móvil.
C2 adjective /ɪnˈsɛnseɪt/

insensate

insensible
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
La crueldad insensible del dictador sorprendió al mundo.
C2 adjective /ɪˈrædɪkəbəl/

irradicable

irradicable
Meaning
not able to be eradicated; impossible to destroy or remove completely
Example
The love of a mother for her child is irradicable.
El amor de una madre por su hijo es irradicable.
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

ejército imparable
Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
Los rebeldes temían al ejército imparable que se acercaba a su fortaleza.
C2 adjective /ɪmˈpɔːrtʃənət/

importunate

importuno
Meaning
Persistent to the point of annoyance or intrusion
Example
The importunate salesman kept calling despite repeated refusals.
El vendedor importuno siguió llamando a pesar de las repetidas negativas.
C2 adjective /ˌɪməˈmɔːriəl/

immemorial

inmemorial
Meaning
Extending back beyond memory or record; ancient.
Example
The tradition has been followed since time immemorial.
La tradición ha sido seguida desde tiempos inmemoriales.
C2 adjective /ˈɪnmoʊst/

inmost

más profundo
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
Ella reveló sus pensamientos más profundos a su amigo más cercano.
C2 adjective /ɪnˈtɛmpərət/

intemperate

intemperante
Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
Los comentarios intemperantes del político causaron controversia.
C2 noun /ˌɪntərˈsɛsər/

intercessor

intercesor
Meaning
a person who intervenes or pleads on behalf of another
Example
He acted as an intercessor to resolve the conflict between the two families.
Él actuó como un intercesor para resolver el conflicto entre las dos familias.
C2 adjective /ˌɪrɪˈlɪdʒəs/

irreligious

irreligioso
Meaning
Indifferent or hostile to religion
Example
Some people in the community consider him irreligious because he never attends religious services.
Algunas personas en la comunidad lo consideran irreligioso porque nunca asiste a los servicios religiosos.
C2 noun /ˌɪnvəˈkeɪʃən/

invocation

invocación
Meaning
the act of calling upon a higher power for help, blessing, or inspiration
Example
The ceremony began with an invocation to the gods.
La ceremonia comenzó con una invocación a los dioses.
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

desafortunado
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
Las nubes oscuras parecían desfavorables para la boda.
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

desarmónico
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
Los sonidos desarmónicos del piano roto hicieron que todos se cubrieran los oídos.
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

inevitable
Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

adoctrinar
Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
El régimen trató de adoctrinar a la juventud con propaganda.
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.
C2 adverb /ˈɪntʃmiːl/

inchmeal

poco a poco
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
El viejo castillo cayó poco a poco en ruinas.
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.
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

imprudencia
Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
Su imprudencia lo llevó a dificultades financieras.
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

maldición
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
La multitud enojada lanzó maldiciones al funcionario corrupto.
C2 noun /aɪˈdɒlətri/

idolatry

idolatría
Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
El sacerdote condenó la idolatría practicada en el pueblo.
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.
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.
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.
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 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.
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.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

incredulidad
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
Ella lo miró con incredulidad después de escuchar la extraña historia.
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 adjective /ɪnˈkɒrɪdʒəbəl/

incorrigible

incorregible
Meaning
incapable of being corrected, improved, or reformed
Example
He is an incorrigible optimist who never loses hope.
Él es un optimista incorregible que nunca pierde la esperanza.
C2 noun /ɪnˈsɪpiəns/

incipience

inicio
Meaning
the beginning or initial stage of something
Example
The project was still in its incipience when funding was approved.
El proyecto aún estaba en su inicio cuando se aprobó la financiación.
C2 verb /ɪˈreɪdieɪt/

irradiate

irradiar
Meaning
to shine light on something; to expose to radiation; to illuminate or brighten
Example
The scientist used a lamp to irradiate the sample.
El científico usó una lámpara para irradiar la muestra.
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

istmo
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
El Canal de Panamá corta a través del Istmo de Panamá.
C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

dentro de la célula
Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
El medicamento funciona al dirigirse a las bacterias intracelulares.
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.
C2 noun /ˌɪnˌkeɪpəˈbɪləti/

incapability

incapacidad
Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
Su incapacidad para gestionar el equipo provocó problemas graves.
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 /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

inconvencible
Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
Ella permaneció inconvencible a pesar de todos nuestros argumentos.
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

felicidad
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
No pudo esconder su felicidad cuando recibió el premio.
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.
C2 adjective /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

irrefrenable
Meaning
Not to be broken, violated, or infringed
Example
The constitution guarantees certain irrefrangible rights to every citizen.
La constitución garantiza ciertos derechos irrefrenables a cada ciudadano.
C2 noun /ˌɪnkænˈteɪʃən/

incantation

encantación
Meaning
a series of words used as a magic spell or charm
Example
The wizard chanted an incantation to summon the spirits.
El mago recitó una encantación para invocar los espíritus.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

madera de hierro
Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
El árbol de madera de hierro florece con pequeñas flores blancas.
C2 verb /ˈɪmprɛɡneɪt/

impregnate

embarazar / impregnar
Meaning
To make pregnant; to fill or saturate with something.
Example
The scientist used a method to impregnate the material with resin.
El científico utilizó un método para impregnar el material con resina.
C2 noun /ɪnˈtɒksɪkənt/

intoxicant

intoxicante
Meaning
a substance, especially alcohol or a drug, that causes intoxication
Example
Alcohol is the most commonly used intoxicant in many cultures.
El alcohol es el intoxicante más comúnmente usado en muchas culturas.
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 adjective /ɪnˈvɛtərət/

inveterate

inmutable
Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
Él es un lector inmutable que pasa horas en la biblioteca todos los días.
C2 noun /ˈænʒənuː/

ingenue

jovencita inocente
Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
Ella interpretó el papel de la jovencita inocente en la obra con gran encanto.
C2 adverb /ɪnˈdjuːbɪtəbli/

indubitably

indudablemente
Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
Ella es indudablemente la mejor candidata para el trabajo.
C2 noun /ˈɪndələns/

indolence

indolencia
Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
Su indolencia le impidió terminar el proyecto a tiempo.
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

indigente
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
El hospital ofrece atención gratuita a los pacientes indigentes.
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

brillo iridiscente
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
Las alas de la mariposa brillaban con brillo iridiscente.
C2 adjective /ˈɪm.pi.əs/

Impious

impío; blasfemo
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
El acto impío sorprendió a la comunidad religiosa.
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

indomable
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
Su espíritu indomable la ayudó a superar la adversidad.