Meaning: A contagious viral infection causing swelling of the salivary glands.

Part of speech: noun

Example: Mumps can be prevented with vaccination.

Category: Medicine

Synonyms:

• viral infection
• contagion

Meaning: Very generous; giving more than is usual.

Part of speech: adjective

Example: The munificent donation helped fund the new library.

Category: General

Synonyms:

• generous
• lavish

Antonyms:

• stingy
• miserly

Meaning: Military weapons, ammunition, and equipment.

Part of speech: noun

Example: The factory produces munitions for the army.

Category: Military

Synonyms:

• arms
• ammunition

Meaning: In a way that suggests a desire to kill.

Part of speech: adverb

Example: She glared at him murderously.

Category: Law

Synonyms:

• deadly
• ferociously

Meaning: A set of adages stating that anything that can go wrong will go wrong.

Part of speech: noun

Example: According to Murphy's laws, the project faced numerous unexpected issues.

Category: Philosophy

Meaning: Having large muscles that restrict movement.

Part of speech: adjective

Example: The muscle-bound athlete struggled to move freely.

Category: Health

Synonyms:

• bulky
• stiff

Antonyms:

• flexible
• agile

Meaning: A group of diseases that cause progressive weakness and loss of muscle mass.

Part of speech: noun

Example: Muscular dystrophy affects many children worldwide.

Category: Medicine › Neurology

Synonyms: muscle disease

Meaning: The system or arrangement of muscles in the body.

Part of speech: noun

Example: The musculature of the human body is complex.

Category: Health

Synonyms: muscle system

Meaning: A source of inspiration for a creative artist.

Part of speech: noun

Example: She was his muse for many of his paintings.

Category: Arts › Literature

Synonyms:

• inspiration
• stimulus

Meaning: An object that is considered valuable or of historical interest.

Part of speech: noun

Example: The ancient vase is a museum piece.

Category: Arts › Cultural Institutions

Synonyms:

• artifact
• relic

Meaning: A large, cloud-like formation that appears after a nuclear explosion.

Part of speech: noun

Example: The mushroom cloud rose high into the sky.

Category: Science › Nuclear Physics

Meaning: The skill or art of performing music.

Part of speech: noun

Example: Her musicianship was evident in her flawless performance.

Category: Arts › Music

Synonyms:

• musical skill
• talent

Meaning: A type of long gun used in the past.

Part of speech: noun

Example: The soldier carried a musket during the battle.

Category: History › Military

Synonyms:

• firearm
• weapon

Meaning: Having a strong, earthy smell.

Part of speech: adjective

Example: The musky scent of the forest was refreshing.

Category: Science › Chemistry

Synonyms:

• earthy
• strong-smelling

Meaning: A slang term for a musician.

Part of speech: noun

Example: He's a muso who plays in several bands.

Category: Arts › Music

Synonyms: musician

Meaning: A type of edible plant with a peppery flavor.

Part of speech: noun

Example: Mustard cress is often used in salads.

Category: Food

Synonyms: cress

Meaning: A chemical weapon used in warfare.

Part of speech: noun

Example: Mustard gas caused severe injuries during the war.

Category: Science › Chemistry

Synonyms: chemical weapon

Meaning: To gather or assemble, especially for inspection.

Part of speech: verb

Example: The troops mustered at dawn.

Category: Military

Synonyms:

• assemble
• gather

Antonyms:

• disperse
• scatter

Meaning: An organism that has undergone a change in its DNA.

Part of speech: noun

Example: The scientist studied the mutant for its unique traits.

Category: Science › Genetics

Synonyms: changed organism

Meaning: To change or undergo a change in form or nature.

Part of speech: verb

Example: The virus can mutate rapidly.

Category: Science › Genetics

Synonyms:

• change
• transform

Antonyms:

• remain
• stay

Meaning: To inflict serious damage on something, especially by removing parts.

Part of speech: verb

Example: The vandal mutilated the statue.

Category: Law

Synonyms:

• damage
• disfigure

Antonyms:

• repair
• restore

Meaning: A person who rebels against authority, especially on a ship.

Part of speech: noun

Example: The mutineer was captured after the uprising.

Category: History › Military

Synonyms:

• rebel
• insurgent

Meaning: Rebellious; refusing to obey orders.

Part of speech: adjective

Example: The mutinous crew took control of the ship.

Category: History

Synonyms:

• rebellious
• insurgent

Antonyms:

• obedient
• compliant

Meaning: An open rebellion against the proper authorities.

Part of speech: noun

Example: The sailors staged a mutiny against their captain.

Category: History

Synonyms:

• rebellion
• insurrection

Antonyms:

• obedience
• loyalty

Meaning: Background music played in public places.

Part of speech: noun

Example: The store played muzak to create a pleasant atmosphere.

Category: Arts › Music

Synonyms: elevator music

Meaning: Dull or hazy in perception; unclear.

Part of speech: adjective

Example: After the medication, he felt muzzy.

Category: Health

Synonyms:

• dizzy
• fuzzy

Antonyms:

• clear
• sharp

Meaning: A condition of the eye where distant objects appear blurry.

Part of speech: noun

Example: He was diagnosed with myopia and needed glasses.

Category: Health › Ophthalmology

Synonyms: nearsightedness

Antonyms: farsightedness

Meaning: Relating to or affected by myopia; short-sighted.

Part of speech: adjective

Example: His myopic view of the situation limited his options.

Category: Health › Ophthalmology

Synonyms:

• short-sighted
• narrow-minded

Antonyms:

• broad-minded
• open-minded

Meaning: A spiritual belief that emphasizes personal experience of the divine.

Part of speech: noun

Example: Mysticism often involves meditation and contemplation.

Category: Religion › Spirituality

Synonyms:

• spirituality
• esotericism

Antonyms:

• materialism
• rationalism

Meaning: Relating to or resembling a myth.

Part of speech: adjective

Example: The mythic hero faced many challenges.

Category: Arts › Literature

Synonyms:

• legendary
• fabled

Antonyms:

• real
• historical

Meaning: the lowest point

Part of speech: noun

Example: The company's profits reached a nadir last year.

Category: Business › Economics

Meaning: a disease affecting animals, especially dogs

Part of speech: noun

Example: Nagana is caused by a parasite.

Category: Medicine › Veterinary

Meaning: a water nymph in Greek mythology

Part of speech: noun

Example: The naiad danced in the river.

Category: Mythology

Meaning: a term sometimes used to describe a man perceived as effeminate

Part of speech: noun

Example: He was called a 'nancy' for his fashion choices.

Category: Society

Meaning: the science of manipulating matter on an atomic or molecular scale

Part of speech: noun

Example: Nanotechnology is used in medicine and electronics.

Category: Science › Technology

Meaning: a strong hand in a card game

Part of speech: noun

Example: He played his nap hand confidently.

Category: Games › Cards

Meaning: a flammable liquid used in warfare

Part of speech: noun

Example: Napalm was used in several conflicts.

Category: Military

Meaning: a flammable liquid hydrocarbon mixture

Part of speech: noun

Example: Naphtha is used as a solvent in various industries.

Category: Chemistry

Meaning: a white crystalline compound used in mothballs

Part of speech: noun

Example: Naphthalene is often found in household products.

Category: Chemistry

Meaning: a geological term for a large sheet of rock

Part of speech: noun

Example: The nappe was formed millions of years ago.

Category: Geology