Meaning: An insane person; someone who behaves irrationally.

Part of speech: noun

Example: He was considered a lunatic for his wild ideas.

Category: Psychology

Synonyms:

• madman
• crazy person

Antonyms:

• sane person
• rational person

Meaning: A formal lunch, often for a special occasion.

Part of speech: noun

Example: They hosted a luncheon for the charity.

Category: Food

Synonyms:

• formal lunch
• meal

Meaning: The amount of air that can be held in the lungs.

Part of speech: noun

Example: He took a deep lungful of fresh air.

Category: Medicine › Anatomy

Synonyms:

• breath
• inhalation

Meaning: Very vivid in color, especially so as to create an unpleasantly harsh or unnatural effect.

Part of speech: adjective

Example: The lurid details of the crime shocked everyone.

Synonyms:

• gruesome
• shocking

Antonyms:

• subtle
• restrained

Meaning: Richly appealing to the senses; delicious.

Part of speech: adjective

Example: The cake was luscious and moist.

Synonyms:

• delicious
• succulent

Antonyms:

• unappetizing
• dry

Meaning: Intense sexual desire.

Part of speech: noun

Example: He felt a strong lust for her.

Synonyms:

• desire
• craving

Antonyms:

• disinterest
• aversion

Meaning: A gentle sheen or soft glow.

Part of speech: noun

Example: The lustre of the polished wood was beautiful.

Synonyms:

• shine
• glow

Antonyms:

• dullness
• matte

Meaning: An affectionate term for someone in the entertainment industry.

Part of speech: noun

Example: The luvvie was always in the spotlight.

Category: Arts › Theater

Synonyms:

• actor
• performer

Meaning: Extremely comfortable or elegant; lavish.

Part of speech: adjective

Example: They stayed in a luxurious hotel.

Category: Lifestyle

Synonyms:

• opulent
• sumptuous

Antonyms:

• simple
• plain

Meaning: High-end products that are not essential and are often expensive.

Part of speech: noun phrase

Example: Designer handbags are considered luxury goods.

Category: Business › Retail

Synonyms:

• high-end products
• premium items

Meaning: A person or thing that is vital to an organization or system.

Part of speech: noun

Example: She is the lynchpin of our team.

Category: Business

Synonyms:

• keystone
• essential

Antonyms:

• nonessential
• unimportant

Meaning: Gruesome and horrifying, often related to death.

Part of speech: adjective

Example: The movie had a macabre theme.

Category: Arts › Literature

Synonyms:

• gruesome
• ghastly

Antonyms: pleasant

Meaning: Mixing languages in speech or writing.

Part of speech: adjective

Example: His macaronic poem used both English and Spanish.

Category: Language

Meaning: A ceremonial staff or a spice made from the outer covering of nutmeg.

Part of speech: noun

Example: The Mace of the Parliament is displayed during sessions.

Category: Politics

Meaning: A ceremonial staff or a spice made from the outer covering of nutmeg.

Part of speech: noun

Example: The Mace of the Parliament is displayed during sessions.

Category: Politics

Meaning: To soften or break down food by soaking it in liquid.

Part of speech: verb

Example: You should macerate the strawberries in sugar.

Category: Food › Preparation

Synonyms: soak

Meaning: A rapid-fire, automatic firearm.

Part of speech: noun

Example: The soldier carried a machine gun.

Category: Weapons

Synonyms: firearm

Meaning: Able to be read and processed by a computer.

Part of speech: adjective

Example: The document is machine readable.

Category: Technology

Synonyms: digital

Meaning: A machine used to shape or cut materials.

Part of speech: noun

Example: The lathe is a common machine tool.

Category: Manufacturing

Synonyms: tool

Meaning: Strong or aggressive masculine pride.

Part of speech: noun

Example: His machismo was evident in his behavior.

Category: Culture

Synonyms: masculinity

Antonyms: femininity

Meaning: A set of instructions that automate tasks in software.

Part of speech: noun

Example: I created a macro to speed up my work.

Category: Technology › Software

Synonyms: automation

Meaning: Relating to a diet based on whole foods and natural ingredients.

Part of speech: adjective

Example: She follows a macrobiotic diet.

Category: Food › Diet

Synonyms: natural

Meaning: A diacritical mark indicating a long vowel sound.

Part of speech: noun

Example: The word 'ā' has a macron over the letter 'a'.

Category: Language

Meaning: A disease affecting cattle, causing neurological symptoms.

Part of speech: noun

Example: Mad cow disease raised concerns about food safety.

Category: Medicine › Diseases

Synonyms: BSE

Meaning: Causing madness or frenzy.

Part of speech: adjective

Example: The madding crowd was overwhelming.

Category: Emotions

Synonyms: frantic

Meaning: A famous street in New York known for advertising agencies.

Part of speech: noun

Example: Many advertising firms are located on Madison Avenue.

Category: Business › Advertising

Meaning: A title for the Virgin Mary or a representation of her in art.

Part of speech: noun

Example: The painting depicted a madonna and child.

Category: Religion

Synonyms: Mary

Meaning: An educational institution for Islamic studies.

Part of speech: noun

Example: He attended a madrasa in his youth.

Category: Education › Religious Education

Synonyms: school

Meaning: A distinguished conductor or composer of music.

Part of speech: noun

Example: The maestro led the orchestra with great passion.

Category: Arts › Music

Synonyms:

• conductor
• master

Antonyms:

• novice
• amateur

Meaning: A simple solution to a complex problem.

Part of speech: noun

Example: There is no magic bullet for solving poverty.

Category: Business › Problem Solving

Synonyms:

• quick fix
• panacea

Antonyms:

• complicated solution
• problematic approach

Meaning: A civil officer who administers the law.

Part of speech: noun

Example: The magistrate presided over the court case.

Category: Law › Judiciary

Synonyms:

• judge
• official

Meaning: Very generous or forgiving, especially toward a rival.

Part of speech: adjective

Example: He was magnanimous in victory, congratulating his opponent.

Category: Arts › Philosophy

Synonyms:

• generous
• noble

Antonyms:

• selfish
• mean

Meaning: The area around a magnet where magnetic forces are exerted.

Part of speech: noun

Example: The magnetic field of the Earth protects us from solar radiation.

Category: Science › Physics

Synonyms: magnetic force field

Meaning: The force exerted by magnets when they attract or repel each other.

Part of speech: noun

Example: Magnetism is a fundamental force in physics.

Category: Science › Physics

Synonyms: magnetic force

Meaning: The process of enlarging the appearance of an object.

Part of speech: noun

Example: The magnification of the image made it easier to see details.

Category: Science › Optics

Synonyms:

• enlargement
• amplification

Antonyms:

• reduction
• diminution

Meaning: The size or extent of something.

Part of speech: noun

Example: The magnitude of the earthquake was measured at 7.0.

Category: Science › Geology

Synonyms:

• size
• extent

Antonyms:

• smallness
• insignificance

Meaning: A large bottle, especially for wine or champagne.

Part of speech: noun

Example: They celebrated with a magnum of champagne.

Category: Food & Drink › Beverages

Synonyms: large bottle

Meaning: An unmarried aunt.

Part of speech: noun

Example: Her maiden aunt visited every summer.

Category: Culture › Family

Synonyms: single aunt

Meaning: The first speech given by a person in a formal setting.

Part of speech: noun

Example: Her maiden speech in parliament was well-received.

Category: Politics › Public Speaking

Synonyms: first speech

Meaning: A process of combining a document with a database to create personalized letters.

Part of speech: noun

Example: We used mail merge to send personalized invitations.

Category: Technology › Software

Synonyms:

• personalization
• automation