meteorological
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
C1 adjective ˌmiː.ti.ər.əˈlɒdʒ.ɪ.kəl

meteorological

meteorológico
Meaning
Relating to weather conditions and atmospheric phenomena.
Example
Meteorological conditions affect farming cycles.
Las condiciones meteorológicas afectan los ciclos de cultivo.
C1 noun /ˈmoʊldɪŋ/

molding

moldura decorativa
Meaning
A decorative strip or design, often used on walls, ceilings, or furniture.
Example
The wooden molding gave the room a classic look.
El moldaje de madera le dio a la habitación un aspecto clásico.
C1 noun /ˈmæntl̩/

mantle

capa, responsabilidad
Meaning
A cloak or covering; also the layer of the earth between the crust and the core.
Example
The leader assumed the mantle of responsibility.
El líder asumió el manto de responsabilidad.
C1 noun /ˌmaʊntəˈnɪə/

mountaineer

montañero
Meaning
A person who climbs mountains as a sport or profession.
Example
The mountaineer reached the summit after a long climb.
El montañero llegó a la cima después de una larga subida.
C1 noun /ˈmenəs/

Menace

amenaza
Meaning
A person or thing that is likely to cause harm; a threat
Example
The reckless driver was a menace to everyone on the road.
El conductor imprudente era una amenaza para todos en la carretera.
C1 adjective /maɪˈkroʊ.bi.əl/

microbial

microbiano
Meaning
Related to bacteria, fungi, and other microscopic organisms.
Example
Microbial activity in the soil improves fertility.
La actividad microbiana en el suelo mejora la fertilidad.
C1 noun /ˈmɒn.ɑːk/

Monarch

monarca
Meaning
a sovereign ruler, especially a king or queen
Example
The monarch addressed the nation on television.
El monarca dirigió la nación en la televisión.
C1 noun /ˈmɔːr.ɡɪʤ/

Mortgage

hipoteca
Meaning
a legal agreement by which a bank lends money to buy property
Example
They took out a mortgage to buy their first house.
Tomaron una hipoteca para comprar su primera casa.
C1 adjective /ˈmɪnəskjuːl/

minuscule

minúsculo
Meaning
extremely small in size or importance
Example
She made only a minuscule contribution to the project.
Ella hizo solo una contribución minúscula al proyecto.
C1 noun /ˌmɪsˈkɒn.dʌkt/

Misconduct

conducta inapropiada
Meaning
Unacceptable or improper behavior, especially by a professional person
Example
The officer was dismissed for professional misconduct.
El oficial fue despedido por conducta inapropiada profesional.
C1 noun /ˈmæn.juˌskrɪpt/

manuscript

manuscrito
Meaning
a handwritten or typed document, especially a writer’s draft before publication
Example
The author submitted her manuscript to the publisher.
La autora presentó su manuscrito al editor.
C1 noun /mɪsˈɡɪvɪŋz/

misgivings

dudas, recelos
Meaning
feelings of doubt or concern about the outcome or propriety of something
Example
She had serious misgivings about signing the contract.
Ella tenía serias dudas sobre firmar el contrato.
C1 adjective /ˈmɜː(r)dərəs/

Murderous

asesino; con intención de matar; extremadamente violento; sanguinario
Meaning
having the intent to kill; extremely violent; bloodthirsty
Example
The murderous look in his eyes frightened everyone.
La mirada asesina en sus ojos asustó a todos.
C1 adjective /ˌmel.ənˈkɒl.ɪk/

Melancholic

triste y pensativo; que expresa o siente tristeza
Meaning
sad and thoughtful; feeling or expressing sadness
Example
The melancholic music made everyone feel sad.
La música melancólica hizo que todos se sintieran tristes.
C1 noun nɪˈmɒnɪks

mnemonics

técnica de memoria, ayudas mnemotécnicas
Meaning
A technique to aid memory; a device such as a pattern of letters, ideas, or associations
Example
Mnemonics help in remembering complex concepts easily.
Los mnemónicos ayudan a recordar conceptos complejos fácilmente.
C1 adjective /ˈmɔːrn.fəl/

mournful

triste
Meaning
feeling, expressing, or causing sadness or grief
Example
The mournful song reminded her of lost loved ones.
La triste canción le recordó a sus seres queridos perdidos.
C1 adjective /məˈkɑː.brə/

Macabre

macabro
Meaning
disturbing because concerned with death; gruesome and horrifying
Example
The horror movie had a macabre atmosphere.
La película de terror tenía una atmósfera macabra.
C1 noun/adjective /ˈmɪstɪk/

mystic

místico, buscador espiritual
Meaning
relating to mysteries, spirituality, or hidden truths; a person who seeks spiritual insight
Example
The mystic devoted his life to meditation and spiritual discovery.
El místico dedicó su vida a la meditación y al descubrimiento espiritual.
C1 noun /ˈmænɪkɪn/

mannequin

maniquí
Meaning
a life-sized model of a human figure used by shops to display clothes
Example
The mannequin in the shop window was dressed in a red gown.
El maniquí en la ventana de la tienda estaba vestido con un vestido rojo.
C1 verb /ˌmɪsɪnˈtɜːrprɪt/

misinterpret

malinterpretar
Meaning
to understand or explain something wrongly
Example
He misinterpreted her silence as agreement.
Él malinterpretó su silencio como un acuerdo.
C1 noun /ˈmeɪhɛm/

mayhem

caos
Meaning
Violent or extreme disorder; chaos and destruction.
Example
The protest turned into mayhem when the crowd clashed with the police.
La protesta se convirtió en caos cuando la multitud chocó con la policía.
C1 adjective /ˈmeʒ.ər.ə.bəl/

Measurable

medible; cuantificable
Meaning
able to be measured; quantifiable
Example
The project's success was measurable by increased sales.
El éxito del proyecto fue medible por el aumento de ventas.
C1 noun /mjuːˈteɪʃn/

mutation

mutación, cambio genético
Meaning
A change in form, structure, or nature, especially in genetics.
Example
Scientists discovered a genetic mutation that caused the disorder.
Los científicos descubrieron una mutación genética que causó el trastorno.
C1 verb, noun /miˈændər/

meander

deambular
Meaning
to wander aimlessly or follow a winding course
Example
We meandered through the old streets of the city.
Deambulamos por las antiguas calles de la ciudad.
C1 noun /ˈmæk.rəʊˌnjuː.tri.ənts/

macronutrients

macronutrientes
Meaning
Nutrients that are needed in large amounts to provide energy and building materials for the body, including carbohydrates, proteins, and fats.
Example
Proteins, fats, and carbohydrates are vital macronutrients.
Las proteínas, las grasas y los carbohidratos son macronutrientes vitales.
C1 adjective /ˌmʌltɪˈfæsɪtɪd/

multifaceted

multifacético
Meaning
Having many different aspects or features
Example
The multifaceted approach to the problem resulted in innovative solutions.
El enfoque multifacético del problema resultó en soluciones innovadoras.
C1 noun ˌmɒd.ɪ.fɪˈkeɪ.ʃənz

modifications

modificaciones
Meaning
The action of making partial or minor changes to something.
Example
DNA modifications enable enhanced traits in crops.
Las modificaciones del ADN permiten características mejoradas en los cultivos.
C1 adjective /məˈtɜːrnəl/

Maternal

maternal
Meaning
relating to a mother; motherly
Example
She showed maternal care towards the orphan child.
Ella mostró cuidado maternal hacia el niño huérfano.
C1 noun /məˈleɪz/

malaise

malestar
Meaning
a general feeling of discomfort, illness, or unease whose exact cause is difficult to identify
Example
After the long journey, she felt a general malaise.
Después del largo viaje, ella sintió un malestar general.
C1 noun /ˈmæɡneɪt/

Magnate

magnate; persona poderosa y rica en el negocio
Meaning
A wealthy and powerful businessperson or industrialist
Example
The oil magnate owned dozens of refineries across the country.
El magnate del petróleo poseía docenas de refinerías en todo el país.
C1 noun ˌmɛməraɪˈzeɪʃən

memorization

memorización
Meaning
The process of learning or committing something to memory
Example
Memorization of important information is crucial for exams.
La memorización de información importante es crucial para los exámenes.
C1 noun /ˌmjuːnɪsɪˈpæləti/

municipality

municipalidad
Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
La municipalidad está planeando construir una nueva biblioteca.
C1 noun /mɔːrɡ/

morgue

depósito de cadáveres
Meaning
a place where dead bodies are kept, especially to be identified or claimed
Example
The police took the body to the morgue for identification.
La policía llevó el cuerpo al depósito de cadáveres para su identificación.
C1 verb /ˈməʊbɪlaɪz/

mobilize

movilizar
Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
El líder trabajó duro para movilizar a la comunidad para la protesta.
C1 noun /mæɡˈnɪfɪsəns/

magnificence

magnificencia
Meaning
splendor, grandeur, or impressive beauty
Example
The magnificence of the palace left everyone speechless.
La magnificencia del palacio dejó a todos sin palabras.
C1 adverb /maɪˈnjuːtli/

Minutely

minuciosamente
Meaning
in very small detail; extremely carefully
Example
The detective examined the evidence minutely.
El detective examinó la evidencia minuciosamente.
C1 noun /ˈmæksɪm/

maxim

máxima
Meaning
a short, well-known statement expressing a general truth or rule of conduct
Example
Honesty is a timeless maxim valued in every culture.
La honestidad es una máxima atemporal valorada en todas las culturas.
C1 verb /ˈmɛzməˌraɪz/

mesmerize

hipnotizar
Meaning
To capture complete attention; to hypnotize or fascinate.
Example
The dancer's graceful movements mesmerized the audience.
Los movimientos gráciles de la bailarina hipnotizaron a la audiencia.
C1 noun /ˈmeɪ.trɪks/

matrix

matriz, estructura
Meaning
An environment or structure in which something develops; also a mathematical array of numbers.
Example
The cultural matrix shaped his worldview.
La matriz cultural moldeó su visión del mundo.
C1 verb, noun /mɛʃ/

mesh

malla, entrelazar
Meaning
To fit or work together properly; or a material made of interlaced threads.
Example
The two gears mesh perfectly to keep the machine running smoothly.
Los dos engranajes encajan perfectamente para mantener la máquina funcionando sin problemas.
C1 noun /ˈmæroʊ/

Marrow

médula ósea
Meaning
A soft fatty substance in the cavities of bones; the essence of something
Example
The bone marrow produces blood cells in the human body.
La médula ósea produce células sanguíneas en el cuerpo humano.
C1 noun /ˈmɜːrdʒər/

merger

fusión
Meaning
The combination of two or more companies into a single entity.
Example
The merger of the two firms created the largest bank in the region.
La fusión de las dos compañías creó el banco más grande de la región.
C1 adjective /ˈmoʊmənˌteri/

momentary

momentáneo
Meaning
Lasting for only a short time.
Example
There was a momentary silence in the room.
Hubo un silencio momentáneo en la habitación.
C1 adjective /ˈmɜːki/

murky

turbio
Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
Evitamos nadar en el río turbio.
C1 noun /ˈmætɪneɪ/

matinee

función de la tarde
Meaning
A performance, especially a play or movie, that takes place in the afternoon.
Example
We bought tickets for the Sunday afternoon matinee.
Compramos entradas para la función de la tarde del domingo.
C1 noun ˈmetəl kənˌtæməˈneɪʃən

metal contamination

contaminación por metales
Meaning
The presence of toxic metals in the environment that pose health and environmental risks.
Example
Metal contamination poses severe health risks.
La contaminación por metales representa graves riesgos para la salud.
C1 noun /ˈmuːdi.nəs/

moodiness

inestabilidad emocional
Meaning
The state of being frequently subject to changes in mood, especially irritability or sadness.
Example
Her moodiness made it difficult to predict how she would react.
Su inestabilidad emocional hacía difícil predecir cómo reaccionaría.
C1 noun ˌmɒdɪfɪˈkeɪʃn

modification

modificación
Meaning
The action of making changes to something.
Example
The plan required modification.
El plan requirió modificación.
C1 noun /ˈmiːdieɪtər/

Mediator

mediador
Meaning
A person who attempts to make people involved in a conflict agree
Example
The United Nations often acts as a mediator in international disputes.
Las Naciones Unidas a menudo actúan como mediador en disputas internacionales.
C1 noun /ˈmjuːtɪni/

mutiny

motín
Meaning
an open rebellion against authority, especially by soldiers or sailors
Example
The sailors staged a mutiny against their captain.
Los marineros organizaron un motín contra su capitán.
C1 noun /ˌmɔːrəˈtɔːriəm/

moratorium

moratoria
Meaning
A temporary suspension or delay of an activity, law, or obligation.
Example
The government announced a moratorium on new mining licenses.
El gobierno anunció una moratoria sobre las nuevas licencias de minería.
C1 noun /ˈmænəˌrɪzəm/

Mannerism

manierismo
Meaning
A habitual gesture or way of speaking or behaving; an idiosyncrasy
Example
His constant throat clearing had become an annoying mannerism.
Su constante aclaración de garganta se había convertido en una molesta manera de actuar.
C1 noun /ˈmævərɪk/

maverick

persona independiente
Meaning
An unorthodox or independent-minded person.
Example
The maverick scientist challenged established theories.
El científico independiente desafió las teorías establecidas.
C1 adjective, noun /ˈmɑːrʃən/

martian

marciano
Meaning
Related to the planet Mars; or an imaginary being from Mars.
Example
The movie showed a Martian visiting Earth.
La película mostró un marciano visitando la Tierra.
C1 verb /ˌmɪsˈkaʊnt/

miscount

contar mal
Meaning
To count wrongly or inaccurately.
Example
He miscounted the number of chairs in the hall.
Él contó mal el número de sillas en el salón.
C1 adjective /ˈmel.əʊ/

Mellow

suave y agradable; relajado y gentil
Meaning
soft and pleasant; relaxed and gentle
Example
The mellow evening light created a peaceful atmosphere.
La suave luz de la tarde creó una atmósfera tranquila.
C1 adjective /ˈmænɪfoʊld/

Manifold

múltiples
Meaning
many and of several different types; multiple; various
Example
The project has manifold benefits for the community.
El proyecto tiene múltiples beneficios para la comunidad.
C1 adjective /ˈmʌðərli/

Motherly

maternal
Meaning
having qualities characteristic of a mother; caring and protective
Example
She showed motherly care and affection towards all the children.
Ella mostró cuidado y afecto maternal hacia todos los niños.
C1 noun /mɪˈrɑːʒ/

Mirage

espejismo
Meaning
An optical illusion caused by atmospheric conditions, especially in deserts
Example
The travelers saw a mirage of water in the desert.
Los viajeros vieron un espejismo de agua en el desierto.
C1 adjective /məˈlɛvələnt/

malevolent

malévolo
Meaning
Having or showing a wish to do evil or harm to others.
Example
The malevolent glare in his eyes frightened the children.
La mirada malévola en sus ojos asustó a los niños.
C1 noun məˈnjʊər

manure

estiércol, abono orgánico
Meaning
Animal dung used for fertilizing land; organic matter used as fertilizer.
Example
Organic manure enhances soil fertility.
El estiércol orgánico mejora la fertilidad del suelo.
C1 noun /məˈdɜːrnəti/

modernity

modernidad
Meaning
The quality or condition of being modern; up-to-date ideas, practices, or style.
Example
The city’s architecture reflects both tradition and modernity.
La arquitectura de la ciudad refleja tanto la tradición como la modernidad.
C1 verb /ˈmʌtər/

mutter

murmurar
Meaning
to speak in a low or barely audible voice, often in dissatisfaction or irritation
Example
He muttered something under his breath as he walked away.
Él murmuró algo bajo su aliento mientras se alejaba.
C1 verb /ˈmæɡnɪfaɪ/

magnify

magnificar
Meaning
to make something appear larger; to increase the importance or effect of something
Example
The microscope can magnify tiny objects for better observation.
El microscopio puede magnificar objetos pequeños para mejor observación.
C1 verb /ˈmɪt.ɪ.ɡeɪt/

mitigate

mitigar
Meaning
To make less severe, serious, or painful; to lessen the severity of damage or harm.
Example
Proper planning can mitigate financial risks.
La planificación adecuada puede mitigar los riesgos financieros.
C1 noun /ˈmælɪs/

Malice

maldad; rencor; animosidad;
Meaning
The intention or desire to do evil; ill will
Example
There was no malice in his criticism, just honest feedback.
No había malicia en su crítica, solo retroalimentación honesta.
C1 noun /ˈmɪs.hæp/

Mishap

accidente; percance; desastre
Meaning
An unlucky accident or unfortunate event, typically minor
Example
The cooking mishap resulted in a burnt dinner.
El percance en la cocina resultó en una cena quemada.
C1 adjective /ˌmet.əˈbɒl.ɪk/

metabolic

metabólico
Meaning
Relating to the chemical processes that occur within a living organism in order to maintain life.
Example
Regular exercise enhances metabolic efficiency.
El ejercicio regular mejora la eficiencia metabólica.
C1 noun /ˈmaɪlɪdʒ/

mileage

rendimiento de combustible
Meaning
The distance traveled in miles, or the fuel efficiency of a vehicle.
Example
This car gives excellent mileage on highways.
Este coche da un excelente rendimiento de combustible en las autopistas.
C1 adjective, verb /muːt/

moot

irrelevante / debatible
Meaning
Adjective: subject to debate or irrelevant. Verb: to suggest an idea for discussion.
Example
The issue of funding became a moot point after the project was canceled.
El tema de la financiación se convirtió en un punto irrelevante después de que el proyecto fuera cancelado.
C1 noun /mɪˈtrɒp.ə.lɪs/

Metropolis

metrópoli
Meaning
A very large city, especially the main city of a country or region
Example
New York is a bustling metropolis with millions of residents.
Nueva York es una metrópoli bulliciosa con millones de residentes.
C1 adjective ˈmer.ɪt beɪst

merit-based

basado en méritos
Meaning
Based on or determined by individual merit, ability, or achievement rather than other factors.
Example
Merit-based recruitment strengthens the workforce.
El reclutamiento basado en méritos fortalece la fuerza laboral.
C1 noun /ˈmiːnnəs/

Meanness

maldad; avaricia
Meaning
The quality of being unkind, spiteful, or unfair; stinginess
Example
His meanness towards the poor children shocked everyone in the neighborhood.
Su maldad hacia los niños pobres sorprendió a todos en el vecindario.
C1 verb /mɔːrf/

morph

transformarse
Meaning
to change smoothly from one form, shape, or character into another
Example
The caterpillar will morph into a butterfly.
La oruga se transformará en una mariposa.
C1 noun /ˈmoʊ.tər ˈlɔː.ri/

Motor lorry

camión motorizado
Meaning
a large motor vehicle used for transporting goods; truck
Example
The motor lorry delivered fresh vegetables to the market.
El camión motorizado entregó verduras frescas al mercado.
C1 noun /ˌmɪsˈtrʌst/

Mistrust

desconfianza
Meaning
Lack of trust; suspicion or doubt about someone or something
Example
There was deep mistrust between the two political parties.
Hubo una profunda desconfianza entre los dos partidos políticos.
C1 adjective /ˈmaɪzərli/

miserly

tacaño
Meaning
Unwilling to spend money; stingy.
Example
She lived a miserly life, refusing to buy anything new.
Vivió una vida tacaña, negándose a comprar algo nuevo.
C1 adjective /ˈmɑːr.dʒɪ.nəl/

Marginal

marginal; mínimo; leve
Meaning
relating to or situated at the edge; minimal; slight
Example
The marginal improvement in sales was barely noticeable.
La mejora marginal en las ventas fue apenas notable.
C1 adjective /mjuːˈnɪsɪpəl/

municipal

municipal
Meaning
relating to a city or town or its local government
Example
The municipal authority is responsible for maintaining the park.
La autoridad municipal es responsable de mantener el parque.
C1 noun /ˈmɒnəˌθiːɪzəm/

monotheism

monoteísmo
Meaning
The belief in the existence of only one God.
Example
Islam and Christianity are religions based on monotheism.
El islam y el cristianismo son religiones basadas en el monoteísmo.
C1 adjective /ˌmaɪ.krəˈskɑː.pɪk/

microscopic

microscópico
Meaning
Extremely small and only visible with a microscope.
Example
The sample contained microscopic particles.
La muestra contenía partículas microscópicas.
C1 noun /ˈmɛləˌdrɑːmə/

melodrama

melodrama exagerado
Meaning
A dramatic piece with exaggerated characters and exciting events intended to appeal to the emotions.
Example
The movie was criticized for its excessive melodrama.
La película fue criticada por su melodrama excesivo.
C1 noun /ˈmaɪkrəʊˌklaɪmæt/

microclimate

microclima
Meaning
The climate of a small, specific area that may differ from the general climate of the surrounding region, often influenced by local factors like terrain, vegetation, or buildings.
Example
A microclimate can have a significant impact on plant growth.
Un microclima puede tener un impacto significativo en el crecimiento de las plantas.
C1 adjective /məˈroʊs/

morose

melancólico
Meaning
sullen, gloomy, or ill-tempered
Example
He became morose after losing his job.
Se volvió melancólico después de perder su trabajo.
C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

marginalización
Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
Las políticas económicas deben abordar la marginalización de los pobres.
C1 adjective /ˈmeɪkˌʃɪft/

makeshift

improvisado
Meaning
used as a temporary substitute; improvised
Example
They used boxes as a makeshift table.
Usaron cajas como una mesa improvisada.
C1 noun /miːlˈjuː/

milieu

entorno
Meaning
A person's social environment or surroundings.
Example
She grew up in an artistic milieu.
Ella creció en un entorno artístico.
C1 verb /ˈmɪŋɡl/

mingle

mezclarse
Meaning
to mix or combine; to move among people and engage socially
Example
Guests mingled at the party, chatting and laughing together.
Los invitados minglaban en la fiesta, charlando y riendo juntos.
C1 noun məˈriːn ˈsɜː.veɪ

marine survey

estudio marino. levantamiento marítimo.
Meaning
A systematic examination of the sea, seabed, and underwater features for the purpose of making maps or gathering other information.
Example
The marine survey identified the ideal cable routes.
El estudio marino identificó las rutas ideales para los cables.
C1 noun /mɔːrˈfɑːlədʒi/

morphology

morfología
Meaning
the study of the form and structure of things, especially in language and biology
Example
Morphology studies the structure of words and how they are formed.
La morfología estudia la estructura de las palabras y cómo se forman.
C1 noun /ˈmæl.ɪt/

Mallet

mazo
Meaning
a hammer with a large head, typically made of wood
Example
The carpenter used a rubber mallet to avoid damaging the wood.
El carpintero usó un martillo de goma para evitar dañar la madera.
C1 adjective /ˌmɒnəˈlɪθɪk/

monolithic

monolítico
Meaning
Massive, uniform, and indivisible; resembling a large single stone or structure.
Example
The company maintained a monolithic structure resistant to change.
La compañía mantuvo una estructura monolítica resistente al cambio.
C1 noun /məˈtɜːrnəti/

Maternity

maternidad
Meaning
The state of being a mother; motherhood
Example
The hospital has an excellent maternity ward for new mothers.
El hospital tiene una excelente sala de maternidad para nuevas madres.
C1 adjective /ˈməʊltən/

molten

fundido
Meaning
Made into liquid by heat; melted.
Example
The blacksmith poured molten metal into the mold.
El herrero vertió metal fundido en el molde.
C1 noun /meər/

Mare

yegua
Meaning
an adult female horse
Example
The beautiful mare galloped across the meadow.
La hermosa yegua galopó por el prado.
C1 noun /ˈmoʊɡəl/

mogul

magnate
Meaning
A powerful or influential person, especially in business or media.
Example
He became a tech mogul by founding a billion-dollar company.
Se convirtió en un magnate de la tecnología al fundar una empresa multimillonaria.
C1 adjective /ˈmiːɡər/

meager

escaso
Meaning
Lacking in quantity or quality; inadequate.
Example
He could barely survive on his meager salary.
Él apenas podía sobrevivir con su escaso salario.
C1 noun /mɪˈlɪʃə/

militia

milicia
Meaning
a group of ordinary people who are trained to act as soldiers in emergencies
Example
The village formed a militia to defend against attacks.
El pueblo formó una milicia para defenderse de los ataques.
C1 adjective /ˈmaʊntɪnəs/

Mountainous

montañoso
Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
La región montañosa era difícil de recorrer.
C1 adjective /ˈmæliəbl̩/

malleable

fácil de moldear
Meaning
Easily shaped or influenced; capable of being bent or adapted.
Example
Gold is a highly malleable metal used in jewelry.
El oro es un metal muy maleable utilizado en joyería.
C1 noun/adjective /ˈmɪriəd/

myriad

incontable
Meaning
a countless or extremely great number
Example
There are myriad stars in the night sky.
Hay innumerables estrellas en el cielo nocturno.
C1 adjective /məˈləʊ.di.əs/

Melodious

melodioso
Meaning
having a pleasant musical sound; tuneful
Example
Her melodious voice captivated the entire audience.
Su voz melodiosa cautivó a toda la audiencia.
C1 noun /ˈmɑːrtərdəm/

Martyrdom

martirio
Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
Su martirio inspiró a innumerables otros a unirse al movimiento por la libertad.
C1 noun /məˈrɑːl/

Morale

moral; estado de ánimo
Meaning
the confidence, enthusiasm, and discipline of a person or group
Example
The team's morale improved after the victory.
La moral del equipo mejoró después de la victoria.
C1 noun /ˈmɛm.breɪn/

membrane

membrana
Meaning
A thin layer of tissue or material that covers, separates, or connects structures.
Example
The cell membrane controls the movement of substances in and out of the cell.
La membrana celular controla el movimiento de las sustancias dentro y fuera de la célula.
C1 adjective /ˌmɪsəˈleɪniəs/

Miscellaneous

misceláneo; diverso; mezclado
Meaning
various; diverse; mixed; assorted
Example
The box contained miscellaneous items from different periods.
La caja contenía artículos diversos de diferentes períodos.
C1 adjective /ˈmɑːrʃəl/

martial

bélico
Meaning
Related to war, soldiers, or military life.
Example
The country imposed martial law during the crisis.
El país impuso la ley marcial durante la crisis.
C1 adjective /məˈlaɪn/

Malign

dañino; difamatorio
Meaning
evil in nature or effect; harmful; slanderous
Example
He spread malign rumors about his colleague.
Él extendió rumores malignos sobre su colega.
C1 verb /ˌmɪsˈriːd/

misread

leer mal
Meaning
to read something incorrectly or interpret wrongly
Example
He misread the instructions and built the shelf incorrectly.
Él leyó mal las instrucciones y construyó la estantería incorrectamente.
C1 noun /maɪt/

mite

ácaro
Meaning
a very small creature, often a tiny arachnid; also used to mean a very small amount
Example
The mattress was infested with dust mites.
El colchón estaba infestado de ácaros del polvo.
C1 noun mɪˈtɪkjʊləsnɪs

meticulousness

atención minuciosa a los detalles
Meaning
Great attention to detail; very careful and precise.
Example
His meticulousness made the project successful.
Su meticulosidad hizo que el proyecto fuera exitoso.
C1 noun /ˈmælədi/

Malady

enfermedad; malestar; dolencia
Meaning
A disease or ailment; a serious problem
Example
The doctor diagnosed a rare malady that affected her nervous system.
El doctor diagnosticó una enfermedad rara que afectó su sistema nervioso.
C1 noun /mɔːˈtæləti/

mortality

mortalidad
Meaning
the state of being subject to death; the death rate of a population
Example
Advancements in medicine have reduced child mortality significantly.
Los avances en medicina han reducido significativamente la mortalidad infantil.
C1 noun /ˈmeɪniæk/

maniac

maniaco
Meaning
a person who behaves in a wildly foolish, dangerous, or violent way
Example
The driver was speeding like a maniac.
El conductor estaba conduciendo como un maníaco.
C1 noun /mɔːs/

Moss

musgo
Meaning
a small flowerless plant that grows in clumps in moist places
Example
Green moss covered the old stone wall.
El musgo verde cubrió la antigua pared de piedra.
C1 noun /ˈmɔːrtər/

mortar

mezcla para juntar ladrillos / pequeño cañón
Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
Los trabajadores aplicaron mortero entre los ladrillos.
C1 adjective /ˈmuː.və.bl̩/

Movable

movible; portátil; transferible
Meaning
capable of being moved; not fixed in position
Example
The furniture is movable so we can rearrange the room easily.
Los muebles son movibles, por lo que podemos reorganizar la habitación fácilmente.
C1 noun /ˈmeɪ.triˌɑːrk/

matriarch

matriarca
Meaning
A woman who is the head of a family or community.
Example
The matriarch of the family made all important decisions.
La matriarca de la familia tomó todas las decisiones importantes.
C1 verb /ˈmedɪkeɪt/

medicate

medicar
Meaning
to treat with medicine; to give drugs to someone for medical purposes
Example
The doctor will medicate the patient to reduce inflammation.
El doctor medicará al paciente para reducir la inflamación.
C1 verb /ˈmɛdəl/

meddle

interferir en algo que no te concierne
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
Él siempre intenta interferir en los asuntos de los demás.
C1 adverb /ˌmæθəˈmætɪkli/

mathematically

matemáticamente
Meaning
in a way that relates to mathematics; using numbers, formulas, or logical calculation
Example
The problem can be solved mathematically rather than by guesswork.
El problema puede resolverse matemáticamente en lugar de adivinar.