intransigent
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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 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 /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.
C2 adjective /ˌɪmpəˈmɪsəbl/

impermissible

imposible
Meaning
Not permitted or allowed.
Example
Such behavior is impermissible in the workplace.
Tal comportamiento es imposible en el lugar de trabajo.
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

incompleto
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
Sus ideas incompletas necesitaban más investigación para ser desarrolladas.
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 /ˌɪnɪkˈsprɛsəbl/

inexpressible

inexpresable
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
Sintió una alegría inexpresable al enterarse de su éxito.
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 /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 verb /ɪnˈhjuːm/

inhume

inhumar
Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
Ellos inhumaron al guerrero con todos los honores.
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 /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

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

itinerate

itinerar
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
El misionero viajó por toda la región para difundir el mensaje.
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.
C2 noun /ˈaɪsinəs/

iciness

frialdad
Meaning
The state of being cold in manner or temperature.
Example
There was a distinct iciness in his voice.
Había una clara frialdad en su voz.
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 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 /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

ignominioso
Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
El equipo sufrió una ignominiosa derrota en la final.
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 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 /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 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

incapacitar
Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
La grave lesión incapacitó al jugador para el resto de la temporada.
C2 noun /ɪmˈpɒs.tʃər/

Imposture

engaño; fraude; impostura
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
La elaborada impostura duró meses antes de que los investigadores descubrieran la verdad.
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 /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 adjective /ɪmˈpɑːlɪtɪk/

impolitic

imprudente
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
Sería imprudente criticarlos abiertamente.
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 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.
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 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 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

ganarse el favor de
Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
Ella intentó ingraciarse con su jefe al elogiarlo con frecuencia.
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 adjective /ɪnˈvʌlnərəbl/

invulnerable

invulnerable
Meaning
Impossible to harm, damage, or defeat.
Example
The fortress was thought to be invulnerable to attack.
Se pensaba que la fortaleza era invulnerable al ataque.
C2 noun /ɪnˈtɜːrstɪs/

interstice

hendidura
Meaning
a small space that lies between things
Example
Light filtered through the narrow interstices of the wall.
La luz se filtró a través de las estrechas hendiduras de la pared.
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 noun /ˌɪməʊˈbɪləti/

immobility

inmovilidad
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
Después del accidente, sufrió de inmovilidad en sus piernas.
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 /ɪnˈɡreɪʃiˌeɪtɪŋ/

ingratiating

adulador
Meaning
Charming or flattering in a way intended to gain favor.
Example
His ingratiating smile made everyone trust him quickly.
Su sonrisa aduladora hizo que todos confiaran en él rápidamente.
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 /ɪnˈvaɪtər/

invitor

invitador
Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
El invitador saludó cordialmente a los invitados en la entrada.
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.
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 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 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.
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 /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.
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 /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 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

inundación
Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
La ciudad sufrió una grave inundación después de las fuertes lluvias.
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 /ɪnˈdɛkərəs/

indecorous

indecoroso
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
Su comportamiento indecoroso sorprendió a la audiencia.
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

indistinguible
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
La diferencia entre los dos tonos era casi indistinguible.
C2 adjective /ɪmˈpræktɪkəbl/

impracticable

impracticable
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
El plan parecía impracticable debido a los recursos limitados.
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 verb /ɪmˈpjuːn/

impugn

disputar la verdad, validez o honestidad de una declaración o motivo
Meaning
to dispute the truth, validity, or honesty of a statement or motive
Example
The lawyer tried to impugn the credibility of the witness.
El abogado intentó impugnar la credibilidad del testigo.
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 /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 /ˌɪmpɪˈkjuːniəs/

impecunious

pobre
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
Creció en una familia pobre.
C2 noun /ˌɪmbəˈsɪləti/

imbecility

imbecilidad
Meaning
Extreme foolishness, stupidity, or weakness of mind.
Example
The plan was abandoned due to its sheer imbecility.
El plan fue abandonado debido a su pura imbecilidad.
C2 adjective /ɪˈnɪmɪkəl/

inimical

hostil / adverso
Meaning
tending to obstruct or harm; unfriendly or hostile
Example
The policy was inimical to the country's economic growth.
La política era hostil al crecimiento económico del país.
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 /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 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

irrefutable
Meaning
Impossible to refute, deny, or break
Example
The lawyer presented irrefragable evidence that proved his client’s innocence.
El abogado presentó pruebas irrefutables que demostraron la inocencia de su cliente.
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

dentro de la institución
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
La universidad organiza competencias deportivas intramuros cada semestre.
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

inequitativo
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
La distribución de recursos fue inequitativa entre los trabajadores.
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 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.
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 verb /ɪˈnjʊər/

inure

acostumbrar
Meaning
To become accustomed to something, especially something unpleasant.
Example
Soldiers quickly became inured to the harsh conditions.
Los soldados rápidamente se acostumbraron a las duras condiciones.
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 /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 /ˌɪmprəˈpraɪəti/

impropriety

improiedad
Meaning
Failure to observe standards of honesty or modesty; improper behavior.
Example
The politician was accused of financial impropriety.
El político fue acusado de impropiedad financiera.
C2 verb /ɪˈmjʊər/

immure

encerrar
Meaning
to confine or enclose someone against their will
Example
The prisoner was immured in a dark cell.
El prisionero fue encerrado en una celda oscura.
C2 noun /ˌɪn.trəˈɡreʃ.ən/

introgression

introducción genética
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
La introgressión juega un papel importante en la mejora de plantas.
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 /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.
C2 verb /ɪmˈpeɪl/

impale

empalar
Meaning
to pierce or fix something with a sharp object
Example
The knight was impaled by the enemy’s spear.
El caballero fue empalado por la lanza del enemigo.
C2 adverb /ˈaɪsɪli/

icily

fríamente
Meaning
In a very cold, unfriendly, or hostile manner.
Example
She replied icily to his question.
Ella respondió fríamente a su pregunta.
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 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 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.
C2 adjective /ˌaɪ.kə.nəˈklæs.tɪk/

iconoclastic

caracterizado por atacar o rechazar creencias, tradiciones o valores establecidos
Meaning
Characterized by attacking or rejecting cherished beliefs, traditions, or established values.
Example
Her iconoclastic views challenged the conventional wisdom of the industry.
Sus puntos de vista iconoclásticos desafiaron la sabiduría convencional de la industria.
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 /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 /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 verb /ɪnˈveɪ/

inveigh

criticar duramente
Meaning
To speak or write about something with great hostility and criticism.
Example
He inveighed against the corruption in government.
Él criticó duramente la corrupción en el gobierno.
C2 verb /ɪnˈtɜːr/

inter

enterrar
Meaning
To bury a dead body in the ground.
Example
They decided to inter the soldier with full honors.
Ellos decidieron enterrar al soldado con todos los honores.
C2 adjective /ɪnˈkɒŋɡruənt/

incongruent

incongruente
Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
Su atuendo casual se veía incongruente en la cena formal.
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

incombustible
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
Este material es incombustible y seguro para la construcción.
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 noun /ɪnˌtɛl.ɪˈdʒɛntsi.ə/

intelligentsia

intelectuales
Meaning
The group of people engaged in intellectual and cultural pursuits in a society.
Example
The intelligentsia played a key role in shaping public opinion.
Los intelectuales jugaron un papel clave en la formación de la opinión pública.
C2 noun /ˈaɪdɪl/

idyll

escena idílica
Meaning
An extremely happy, peaceful, or picturesque episode or scene, often idealized.
Example
Their honeymoon was an idyll on a tropical island.
Su luna de miel fue una escena idílica en una isla tropical.
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 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 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.
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

indirecta
Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
La indirecta del gerente fue dirigida hacia su competidor.
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 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 verb /ˈɪŋkʌlpeɪt/

inculpate

inculpar
Meaning
To blame or accuse someone of wrongdoing.
Example
The evidence seemed to inculpate the suspect in the crime.
La evidencia parecía inculpar al sospechoso en el crimen.
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 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 adjective /ˌɪnɪˈsɛnʃəl/

inessential

inesencial
Meaning
not necessary or important; not essential
Example
The report removes all inessential details to stay focused.
El informe elimina los detalles inesenciales para mantenerse enfocado.
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

aconteciendo a intervalos de tiempo iguales
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
Los oscilaciones del péndulo son isócronos, repitiendo a intervalos iguales.
C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

incompresible
Meaning
Not able to be pressed or squeezed into a smaller space.
Example
Liquids are generally considered incompressible.
Los líquidos generalmente se consideran incomprensibles.
C2 verb /ˈɪndjʊˌreɪt/

indurate

endurecer
Meaning
To harden or make something physically or emotionally tough.
Example
Years of hardship indurated his spirit.
Años de dificultades induraron su espíritu.
C2 noun /ˌɪntərpəˈzɪʃən/

interposition

intervención
Meaning
The act of intervening or coming between two things, often to influence or prevent an outcome.
Example
The manager’s interposition prevented a heated argument from escalating.
La intervención del gerente evitó que una discusión acalorada se intensificara.
C2 noun /ɪˈreɪdiəns/

irradiance

irradiancia
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
La irradiancia del sol al mediodía era abrumadora.
C2 noun /ɪnˈvɛktɪv/

invective

lenguaje insultante
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
El discurso del político estaba lleno de invectivas contra sus oponentes.
C2 verb /ɪnˈdaɪt/

indite

componer
Meaning
To write or compose (literary or formal works).
Example
The poet indited a heartfelt sonnet.
El poeta compuso un soneto sincero.
C2 adjective /ɪnˈtɛsteɪt/

intestate

muerto sin testamento
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
Ella murió sin testamento, por lo que sus bienes fueron distribuidos por la ley.
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 /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.
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 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 /ˌɪnkɔːrˈpɔːriəl/

incorporeal

incorpóreo
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
Los fantasmas a menudo se describen como seres incorpóreos.
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

momento inoportuno
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
Su llamada llegó en el momento más inoportuno.
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 adjective /ˌɪndɪˈtɜːrmənət/

indeterminate

indeterminado
Meaning
Not exactly known, defined, or established; vague or uncertain.
Example
The project was delayed for an indeterminate amount of time.
El proyecto se retrasó por un tiempo indeterminado.
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.
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.