inquiry
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B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

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

inequality

desigualdad
Meaning
Difference in size, degree, circumstances, etc.; lack of equality.
Example
The theme of inequality is prominent throughout the story.
El tema de la desigualdad es prominente a lo largo de la historia.
A2 noun /ˈɪm.ɪdʒ/

Image

imagen; figura; representación
Meaning
a representation of the external form of a person or thing in art; a mental picture or impression
Example
The company worked hard to improve its public image after the scandal.
La empresa trabajó duro para mejorar su imagen pública después del escándalo.
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.
B2 noun /ɪnˈspɛktər/

inspector

inspector
Meaning
An official employed to ensure regulations are obeyed or standards are met.
Example
The inspector carefully checked the restaurant's kitchen for hygiene standards.
El inspector revisó cuidadosamente la cocina del restaurante para cumplir con los estándares de higiene.
B2 noun, verb /ɪntʃ/

inch

pulgada / moverse lentamente
Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
Ella se acercó lentamente al borde del escenario.
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.
C1 adjective /ɪnˈdʌldʒənt/

indulgent

indulgente
Meaning
Having a tendency to be overly generous or lenient with someone.
Example
The indulgent mother allowed her child to stay up late.
La madre indulgente permitió que su hijo se quedara despierto hasta tarde.
B2 adjective /ˌɪntəˈpɜːsənl/

interpersonal

interpersonal
Meaning
Relating to relationships or communication between people.
Example
He has excellent interpersonal skills and gets along well with others.
Él tiene excelentes habilidades interpersonales y se lleva bien con los demás.
C1 noun /ɪnˈtɛstɪn/

intestine

intestino
Meaning
The part of the digestive system where food is digested and absorbed, extending from the stomach to the anus.
Example
The doctor explained how nutrients are absorbed in the small intestine.
El doctor explicó cómo los nutrientes se absorben en el intestino delgado.
B2 noun /ˈaɪrəni/

irony

ironía
Meaning
a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning
Example
The irony of the situation was that the winner forgot his own prize.
La ironía de la situación fue que el ganador olvidó su propio premio.
B2 noun ɪˈlɪtərəsi

illiteracy

analfabetismo
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
El analfabetismo a menudo conduce a la pobreza y el desempleo.
C2 noun /ˌɪmpjuˈteɪʃən/

imputation

imputación
Meaning
an accusation or attribution of blame
Example
The politician denied the imputation of corruption.
El político negó la imputación de corrupción.
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

inteligente
Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
Ella es una de las estudiantes más inteligentes de la clase.
B2 adjective /ɪmˈper.ə.tɪv/

imperative

imperativo
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
Es imperativo abordar la crisis climática de inmediato.
B2 noun /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.
C1 noun /ˈɪŋ.krə.mənt/

Increment

aumento
Meaning
an increase or addition, especially one of a series on a fixed scale; a regular increase in salary
Example
He received an annual increment of five percent in his salary this year.
Recibió un aumento anual del cinco por ciento en su salario este año.
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.
C1 adjective /ɪnˈvɜːs/

Inverse

inverso; opuesto
Meaning
opposite in order, nature, or effect; reversed
Example
There is an inverse relationship between price and demand.
Existe una relación inversa entre el precio y la demanda.
C2 noun /ɪnˈsɪɡniə/

insignia

insignia
Meaning
A badge or symbol that shows rank, position, or membership.
Example
The soldier proudly wore the insignia of his regiment.
El soldado llevaba orgulloso la insignia de su regimiento.
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 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.
B1 noun /ˌɪntərˈækʃən/

interaction

interacción mutua
Meaning
The process of people or things acting upon or influencing each other.
Example
The teacher encouraged more interaction between students.
El maestro alentó más interacción entre los estudiantes.
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.
C1 noun /ɪˈrɛlɪvənsi/

irrelevancy

irrelevancia
Meaning
the state of being unrelated or unimportant to the matter at hand
Example
The judge dismissed the argument because of its irrelevancy to the case.
El juez rechazó el argumento por su irrelevancia para el caso.
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.
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.
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 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 /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.
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.
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.
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 /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.
B2 noun /ˈɪnvənˌtɔːri/

inventory

inventario
Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
El tendero revisó el inventario antes de abrir la tienda.
C1 noun /ˈɪtʃ.i.nəs/

itchiness

picazón
Meaning
The quality or condition of feeling an irritating sensation on the skin that causes a desire to scratch.
Example
Eye itchiness often leads to rubbing.
La picazón en los ojos a menudo conduce a frotarse.
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

insurgencia
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
El gobierno luchó por contener la creciente insurgencia.
A2 adverb /ɪnˈstɛd/

instead

en lugar de
Meaning
As an alternative or substitute.
Example
She didn’t buy the dress; instead, she chose a pair of shoes.
Ella no compró el vestido; en su lugar, eligió un par de zapatos.
B1 noun /ɪnˈvɛstər/

investor

inversor
Meaning
a person or organization that puts money into financial schemes, property, or business ventures with the expectation of achieving a profit
Example
The investor funded the startup with a large sum of money.
El inversor financió la startup con una gran suma de dinero.
B2 adjective /ɪnˈfɔːrmətɪv/

Informative

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

incredible

increíble
Meaning
so extraordinary that it is hard to believe; amazing
Example
The view from the mountain was incredible.
La vista desde la montaña fue increíble.
B1 adjective /ɪˈnɪʃəl/

initial

inicial
Meaning
Existing or occurring at the beginning.
Example
Her initial reaction was one of surprise.
Su reacción inicial fue una de sorpresa.
C2 noun /ɪˈrʌp.ʃən/

Irruption

una entrada violenta repentina; una invasión o incursión; una explosión o erupción repentina
Meaning
a sudden violent entry; an invasion or raid; a sudden outburst or eruption
Example
The army's irruption into enemy territory caught the opposing forces completely off guard.
La irrupción del ejército en el territorio enemigo sorprendió completamente a las fuerzas opuestas.
B1 verb /ˌɪntəˈrʌpt/

interrupt

interrumpir
Meaning
to stop someone from speaking or doing something by suddenly saying or doing something
Example
She tried not to interrupt while he was speaking.
Ella intentó no interrumpir mientras él hablaba.
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

productor
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
El impresario organizó una serie de conciertos para la estrella emergente.
C2 adjective /ɪnˈkoʊətɪv/

inchoative

incipiente
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
El poeta utilizó expresiones incipientes para describir el amanecer de la creación.
C1 noun /ˈɪnlɛt/

inlet

entrada
Meaning
A small arm of the sea, a lake, or a river; an opening or passage for entry.
Example
The boat entered a narrow inlet along the coast.
El bote entró en una entrada estrecha a lo largo de la costa.
A2 verb /ɪmˈpruːv/

improve

mejorar
Meaning
to make or become better; to enhance quality or condition
Example
Practice helps improve your skills.
La práctica ayuda a mejorar tus habilidades.
C2 noun /ˈaɪdlər/

idler

holgazán
Meaning
A person who avoids work or spends time lazily.
Example
He was known as an idler who wasted his days.
Él era conocido como un holgazán que desperdiciaba sus días.
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 /ɪˈmɜː.ʃən/

immersion

inmersión
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
La inmersión en juegos de VR hace que los usuarios sientan como si estuvieran dentro del mundo virtual.
B2 adjective /ɪnˈklaɪnd/

inclined

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

inventor

inventor
Meaning
a person who creates or designs something new, especially a device, method, or process
Example
The inventor patented her new medical device.
El inventor patentó su nuevo dispositivo médico.
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.
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 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.
B2 adjective /ˈɪrɪteɪtɪd/

irritated

irritado
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
Se sintió irritada por el ruido constante afuera de su ventana.
C1 verb /ɪnˈvɜːrt/

invert

invertir
Meaning
To turn something upside down or in the opposite position, order, or direction.
Example
He inverted the glass to let the water drain out.
Él invirtió el vaso para dejar que el agua se drenara.
C2 noun /ɪnˈkwɪzɪtər/

inquisitor

inquisidor
Meaning
A person who asks many questions, often in an official or harsh manner.
Example
The inquisitor demanded detailed answers from the witness.
El inquisidor exigió respuestas detalladas del testigo.
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 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 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.
A2 verb /ɪnˈkri:s/

increase

aumentar
Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
La empresa planea aumentar su producción este año.
C1 adjective /ˌɪnstənˈteɪniəs/

instantaneous

instantáneo
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
El cambio de temperatura fue casi instantáneo.
B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

invisible
Meaning
unable to be seen; not visible to the eye
Example
The bacteria are invisible without a microscope.
Las bacterias son invisibles sin un microscopio.
C2 adjective /ɪmˈprɒvɪdənt/

improvident

imprudente
Meaning
Not having or showing foresight; spending wastefully or without thought for the future.
Example
His improvident habits left him with no savings.
Sus hábitos imprudentes lo dejaron sin ahorros.
C1 adjective /ɪnˈdetɪd/

Indebted

endeudado; agradecido
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
Estoy profundamente endeudado con mi profesora por toda su orientación.
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.
B2 verb /ˈɪnəveɪt/

innovate

innovar
Meaning
To introduce new methods, ideas, or products.
Example
The company must innovate to stay ahead of its competitors.
La empresa debe innovar para mantenerse por delante de sus competidores.
C1 adjective /ɪnˈvɛntɪv/

inventive

inventivo
Meaning
Having the ability to create or design new things or to think originally.
Example
The inventor was known for his inventive solutions to everyday problems.
El inventor era conocido por sus soluciones inventivas para los problemas cotidianos.
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

ineficaz
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
El liderazgo ineficaz del gerente hizo que el equipo perdiera la motivación.
C1 adjective /ɪnˈedəbəl/

Inedible

incomible
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
Los hongos eran venenosos y completamente incomestibles.
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.
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.
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

idealista
Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
Ella tiene una visión idealista de cambiar el mundo.
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.
A2 noun /ˈaɪtəm/

item

artículo
Meaning
A single thing, object, or unit, often part of a list or collection.
Example
Each item on the list must be checked carefully.
Cada artículo en la lista debe ser revisado cuidadosamente.
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.
C1 verb /ɪmˈpɛər/

impair

deteriorar
Meaning
to weaken or damage something, especially a function or ability
Example
Smoking can impair your lung capacity.
Fumar puede dañar tu capacidad pulmonar.
C1 adjective /ɪnˈfæləbl̩/

infallible

infalible
Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
Su juicio parecía infalible en cuestiones financieras.
B1 adjective /ˈɪnər/

inner

interno
Meaning
Located inside or closer to the center; relating to one’s thoughts or feelings.
Example
She shared her inner thoughts with her best friend.
Ella compartió sus pensamientos internos con su mejor amiga.
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 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 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.
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.
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.
C1 noun /ɪmˌpɒsəˈbɪlɪti/

impossibility

imposibilidad
Meaning
the state or fact of being impossible; something that cannot be done or achieved
Example
Finishing the project in one day was an impossibility.
Terminar el proyecto en un día fue una imposibilidad.
C1 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

inaugurar
Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
El alcalde inaugurará el nuevo puente mañana.
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.
B2 verb /ˈɪmɪɡreɪt/

immigrate

inmigrar
Meaning
to come to live permanently in a foreign country
Example
He immigrated to Canada five years ago.
Él inmigró a Canadá hace cinco años.
A2 adverb /ɪˈmiːdiətli/

immediately

inmediatamente
Meaning
at once; without delay
Example
She responded immediately to the emergency call.
Ella respondió inmediatamente a la llamada de emergencia.
B2 verb /ɪmˈprɪzən/

imprison

encarcelar
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
El juez encarceló al criminal por cinco años.
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.
C1 adjective /ˈɪnbɔːrn/

Inborn

innato; congénito; inherente
Meaning
existing from birth; natural; inherent
Example
She has an inborn talent for music.
Ella tiene un talento innato para la música.
B1 adverb /ˈɪnstəntli/

instantly

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

imprisonment

encarcelamiento
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Se enfrentó al encarcelamiento por violar la orden judicial.
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.
B1 noun ɪnˈven.ʃən

invention

invención
Meaning
The action of inventing something, typically a process or device.
Example
The invention revolutionized communication.
La invención revolucionó la comunicación.
B2 adjective /ɪnˈtækt/

intact

intacto
Meaning
Remaining whole, complete, and undamaged.
Example
Despite the storm, the old house remained intact.
A pesar de la tormenta, la casa antigua permaneció intacta.
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 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 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 /ɪˈrɛvəkəbl/

irrevocable

irreversible
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
Ella tomó una decisión irreversible de dejar la empresa.
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.
C1 noun/verb /ˈɪmprɪnt/

imprint

huella
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
El evento dejó una huella indeleble en la historia de la ciudad.
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

descortesía
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
Su descortesía hacia los invitados sorprendió a todos.
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.səbˈstæn.ʃəl/

insubstantial

insustancial
Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
La evidencia proporcionada fue insustancial y poco convincente.
B1 noun /ˈɪnkʌm/

income

ingreso
Meaning
money received for work or through investments
Example
His monthly income is enough to support his family.
Su ingreso mensual es suficiente para mantener a su familia.
B2 noun /ɪnˈveɪʒən/

invasion

invasión
Meaning
An instance of invading a country, region, or personal space with armed force or unwelcome presence.
Example
The army prepared for the possibility of an invasion.
El ejército se preparó para la posibilidad de una invasión.
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.
B2 verb /ˌɪntərˈfɪər/

interfere

felicidad
Meaning
to become involved in something that is not your concern; to hinder or obstruct
Example
Parents should not interfere in their children’s personal choices.
No pudo ocultar su felicidad cuando recibió el premio.
B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

implicación
Meaning
A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.
Example
The implication of climate change is severe.
La implicación del cambio climático es grave.
C1 verb /ˌɪntəˈsɛkt/

intersect

intersectar
Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
Los dos caminos se intersectan en el centro de la ciudad.
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
C1 adjective /ɪmˈpɜːrviəs/

impervious

impermeable
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
La chaqueta es impermeable a la lluvia.