Meaning: Relating to the devil; wicked or evil.

Part of speech: adjective

Example: The villain had a diabolic plan to take over the world.

Category: Arts › Literature

Synonyms:

• evil
• wicked

Antonyms:

• good
• virtuous

Meaning: Concerned with the changes in language over time.

Part of speech: adjective

Example: Diachronic analysis helps linguists understand language evolution.

Category: Language › Linguistics

Synonyms: historical

Meaning: Relating to or in the form of a diagram.

Part of speech: adjective

Example: The diagrammatic representation made it easier to understand.

Category: Science › Visual Representation

Synonyms:

• illustrative
• representational

Meaning: A person or thing with potential but lacking refinement.

Part of speech: idiom

Example: He is a diamond in the rough, with great talent waiting to be discovered.

Category: Arts › Literature

Meaning: The dispersion of a group of people from their original homeland.

Part of speech: noun

Example: The Jewish diaspora has a rich cultural history.

Category: Sociology › Migration

Synonyms:

• dispersion
• migration

Meaning: Consisting of two atoms.

Part of speech: adjective

Example: Oxygen is a diatomic molecule.

Category: Science › Chemistry

Synonyms: two-atom

Meaning: A type of flowering plant with two seed leaves.

Part of speech: noun

Example: Beans are a common example of a dicotyledon.

Category: Biology › Botany

Synonyms: dicot

Meaning: Relating to a ruler with total power.

Part of speech: adjective

Example: The dictatorial regime suppressed all opposition.

Synonyms:

• authoritarian
• tyrannical

Antonyms:

• democratic
• liberal

Meaning: The choice and use of words in speech or writing.

Part of speech: noun

Example: Her diction was clear and precise.

Synonyms:

• wording
• phraseology

Antonyms:

• mumbling
• slang

Meaning: Made using a die-casting process.

Part of speech: adjective

Example: The toy car is made of die-cast metal.

Category: Technology › Manufacturing

Synonyms:

• molded
• shaped

Meaning: Having strong, unwavering beliefs or support.

Part of speech: adjective

Example: He is a diehard fan of the team.

Category: General

Synonyms:

• staunch
• unyielding

Antonyms:

• fickle
• wavering

Meaning: Relating to dietetics, the science of diet and nutrition.

Part of speech: adjective

Example: Dietetic advice can help improve health.

Category: Health

Synonyms:

• nutritional
• diet-related

Meaning: Relating to or showing a difference.

Part of speech: adjective

Example: The differential analysis revealed significant results.

Category: Science › Mathematics

Synonyms:

• discriminative
• distinctive

Meaning: Shy or lacking self-confidence.

Part of speech: adjective

Example: He was too diffident to speak in public.

Category: General

Synonyms:

• shy
• timid

Antonyms:

• confident
• bold

Meaning: A format for recording audio digitally on tape.

Part of speech: noun

Example: Digital audio tape was popular in the 1990s.

Category: Technology › Audio

Synonyms:

• DAT
• audio tape

Meaning: An electronic signature used to verify authenticity.

Part of speech: noun

Example: A digital signature is often used in online transactions.

Category: Technology › Security

Synonyms:

• electronic signature
• e-signature

Meaning: To convert information into a digital format.

Part of speech: verb

Example: The company plans to digitalize all its records.

Category: Technology

Synonyms:

• digitize
• convert

Meaning: To convert information into a digital format.

Part of speech: verb

Example: They plan to digitize the old photographs.

Category: Technology

Synonyms:

• digitalize
• convert

Meaning: Having or showing a composed or serious manner.

Part of speech: adjective

Example: She maintained a dignified presence during the ceremony.

Category: General

Synonyms:

• serious
• noble

Antonyms:

• undignified
• shameful

Meaning: A pair of letters representing a single sound.

Part of speech: noun

Example: In English, 'ch' is a digraph.

Category: Linguistics

Synonyms:

• letter pair
• grapheme

Meaning: In a state of disrepair or ruin.

Part of speech: adjective

Example: The dilapidated house was unsafe to enter.

Category: General

Synonyms:

• ruined
• decrepit

Antonyms:

• well-maintained
• new

Meaning: To make something wider or larger.

Part of speech: verb

Example: The doctor will dilate your pupils for the exam.

Category: Medicine

Synonyms:

• expand
• enlarge

Meaning: A person who cultivates an area of interest, such as the arts, without real commitment or knowledge.

Part of speech: noun

Example: He was a dilettante in painting, enjoying it as a hobby but not pursuing it seriously.

Category: Arts › Art

Synonyms:

• amateur
• novice

Antonyms: expert

Meaning: The action of making a substance weaker or less concentrated.

Part of speech: noun

Example: The dilution of the solution made it less effective.

Category: Science › Chemistry

Synonyms:

• weakening
• thinning

Antonyms: concentration

Meaning: A cheap, popular novel, often with sensational stories.

Part of speech: noun

Example: He enjoyed reading dime novels in his free time.

Category: Arts › Literature

Synonyms: pulp fiction

Meaning: Relating to a specific number of dimensions.

Part of speech: adjective

Example: The model is three-dimensional, allowing for a more realistic view.

Category: Science › Mathematics

Synonyms: multi-dimensional

Meaning: A gradual decrease in loudness or intensity in music.

Part of speech: noun

Example: The piece ended with a beautiful diminuendo.

Category: Arts › Music

Synonyms: softening

Meaning: Extremely or unusually small.

Part of speech: adjective

Example: The kitten was so diminutive that it could fit in the palm of my hand.

Category: General

Synonyms:

• tiny
• small

Antonyms: large

Meaning: A switch that adjusts the brightness of a light.

Part of speech: noun

Example: I installed a dimmer switch to create a cozy atmosphere.

Category: Technology › Electrical

Synonyms: light dimmer

Meaning: Slow to understand; not very intelligent.

Part of speech: adjective

Example: His dim-witted comments made it clear he didn't grasp the topic.

Category: General

Synonyms:

• slow-witted
• dull

Antonyms: sharp-witted

Meaning: The basic monetary unit of several countries in the Middle East.

Part of speech: noun

Example: He exchanged his dollars for dinars while traveling in Jordan.

Category: Finance › Currency

Synonyms: currency

Meaning: A silly or foolish person.

Part of speech: noun

Example: Don't be such a ding-bat; pay attention!

Category: General

Synonyms:

• fool
• simpleton

Meaning: A wild dog native to Australia.

Part of speech: noun

Example: We saw a dingo while hiking in the Australian outback.

Category: Nature › Animals

Synonyms: wild dog

Meaning: A railroad car where passengers can eat meals.

Part of speech: noun

Example: We enjoyed dinner in the dining car during our train journey.

Category: Transportation › Rail

Synonyms: restaurant car

Meaning: To hit a ball lightly, especially in sports.

Part of speech: verb

Example: He managed to dink the ball over the net.

Category: Sports › General

Synonyms:

• tap
• lightly hit

Meaning: An event where dinner is served followed by dancing.

Part of speech: noun

Example: They attended a dinner dance for charity.

Category: Events

Synonyms: dance party

Meaning: A formal jacket worn for evening events, often part of a tuxedo.

Part of speech: noun

Example: He wore a black dinner jacket to the gala.

Category: Fashion › Clothing

Synonyms: tuxedo jacket

Meaning: The act of serving food at a meal, especially in a restaurant or formal setting.

Part of speech: noun

Example: The dinner service was impeccable at the five-star restaurant.

Category: Food › Dining

Synonyms: meal service

Meaning: A formal suit worn for evening events, similar to a tuxedo.

Part of speech: noun

Example: He wore a dinner suit to the wedding.

Category: Fashion › Clothing

Synonyms: tuxedo

Meaning: A venue where a meal is served while a performance is presented.

Part of speech: noun

Example: We enjoyed a comedy show at the dinner theatre.

Category: Arts › Performance

Synonyms: theatre restaurant