Meaning: Love, loyalty, or enthusiasm for a person or cause.

Part of speech: noun

Example: His devotion to his family is admirable.

Category: Emotions

Synonyms:

• loyalty
• dedication

Antonyms:

• indifference
• disloyalty

Meaning: Relating to worship or religious devotion.

Part of speech: adjective

Example: She attended a devotional service at the temple.

Category: Religion

Synonyms:

• religious
• spiritual

Meaning: Religious observances or prayers.

Part of speech: noun

Example: She sets aside time for her daily devotions.

Category: Religion

Synonyms:

• prayers
• worship

Meaning: Having deep religious feeling or commitment.

Part of speech: adjective

Example: She is a devout follower of her faith.

Category: Religion

Synonyms:

• religious
• pious

Antonyms:

• irreligious
• unfaithful

Meaning: In a deeply religious manner.

Part of speech: adverb

Example: He prayed devoutly every morning.

Category: Religion

Synonyms:

• religiously
• piously

Meaning: The temperature at which air becomes saturated with moisture and dew forms.

Part of speech: noun

Example: The dew point was high, indicating humidity.

Category: Science › Meteorology

Synonyms: humidity point

Meaning: A system for organizing library books by assigning numbers to subjects.

Part of speech: noun

Example: The Dewey Decimal Classification helps locate books in the library.

Category: Education › Library Science

Synonyms: library system

Meaning: Another name for the Dewey Decimal Classification system.

Part of speech: noun

Example: The Dewey System is widely used in libraries.

Category: Education › Library Science

Synonyms: library system

Meaning: Having eyes that appear moist or tearful, often due to emotion.

Part of speech: adjective

Example: She looked dewy-eyed as she watched the emotional scene.

Category: Emotions

Synonyms:

• tearful
• moist-eyed

Antonyms: dry-eyed

Meaning: Skill in performing tasks, especially with the hands.

Part of speech: noun

Example: Her dexterity in playing the piano impressed everyone.

Category: General

Synonyms:

• skill
• agility

Antonyms: clumsiness

Meaning: Extremely evil or wicked.

Part of speech: adjective

Example: The diabolical scheme shocked everyone.

Category: Arts › Literature

Synonyms:

• satanic
• wicked

Antonyms:

• good
• innocent

Meaning: In a wicked or evil manner.

Part of speech: adverb

Example: He laughed diabolically at his enemies.

Category: Arts › Literature

Synonyms: wickedly

Meaning: A crown or headband worn as a symbol of royalty.

Part of speech: noun

Example: The queen wore a beautiful diadem during the ceremony.

Category: Arts › Jewelry

Synonyms:

• crown
• tiara

Meaning: A mark indicating that two adjacent vowels are pronounced separately.

Part of speech: noun

Example: The diaeresis in 'naïve' shows that the 'i' and 'e' are pronounced separately.

Category: Language › Orthography

Synonyms: dieresis

Meaning: A method of argument for resolving disagreement.

Part of speech: noun

Example: Dialectic is often used in philosophical discussions.

Category: Philosophy

Synonyms:

• debate
• discussion

Meaning: Relating to the art of debate or discussion.

Part of speech: adjective

Example: Dialectical reasoning is important in philosophy.

Category: Philosophy

Synonyms:

• debating
• discussive

Meaning: A philosophy that combines dialectics and materialism.

Part of speech: noun

Example: Dialectical materialism is a key concept in Marxist theory.

Category: Philosophy › Marxism

Meaning: The study of dialects and their variations.

Part of speech: noun

Example: Dialectology helps linguists understand regional language differences.

Category: Language › Linguistics

Synonyms: linguistics

Meaning: Having the qualities of a diamond; brilliant.

Part of speech: adjective

Example: Her diamantine eyes sparkled in the sunlight.

Category: Arts › Literature

Synonyms:

• brilliant
• sparkling

Meaning: Relating to a diameter; opposite in nature.

Part of speech: adjective

Example: They had diametric views on the issue.

Category: Mathematics › Geometry

Synonyms:

• opposite
• contradictory

Meaning: In a way that is completely opposite.

Part of speech: adverb

Example: Their opinions are diametrically opposed.

Category: Mathematics › Geometry

Synonyms:

• completely
• entirely

Meaning: A celebration marking a 60th anniversary.

Part of speech: noun

Example: The queen's diamond jubilee was celebrated with great fanfare.

Category: Celebration › Anniversaries

Synonyms: 60th anniversary

Meaning: A celebration marking a 60th wedding anniversary.

Part of speech: noun

Example: They celebrated their diamond wedding with family and friends.

Category: Celebration › Anniversaries

Synonyms: 60th wedding anniversary

Meaning: A powerful painkiller, also known as heroin.

Part of speech: noun

Example: Diamorphine is used in medical settings for severe pain relief.

Category: Medicine › Pharmacology

Synonyms: heroin

Meaning: A range of musical tones or a specific organ stop.

Part of speech: noun

Example: The diapason of the organ filled the church with sound.

Category: Music › Instruments

Synonyms:

• range
• scale

Meaning: Light, delicate, and translucent.

Part of speech: adjective

Example: She wore a diaphanous dress that flowed in the breeze.

Category: Fashion › Clothing

Synonyms:

• sheer
• transparent

Meaning: The phase of the heartbeat when the heart muscle relaxes.

Part of speech: noun

Example: Diastole occurs between heartbeats.

Category: Medicine › Cardiology

Synonyms: relaxation phase

Meaning: Relating to a scale consisting of seven notes.

Part of speech: adjective

Example: The diatonic scale is fundamental in Western music.

Category: Music › Theory

Synonyms: scale-based

Meaning: A bitter and abusive speech or piece of writing.

Part of speech: noun

Example: His diatribe against the government was widely shared.

Category: Politics › Criticism

Synonyms:

• tirade
• rant

Meaning: A division into two contrasting parts.

Part of speech: noun

Example: There is a clear dichotomy between good and evil.

Category: Philosophy

Synonyms:

• division
• contrast

Meaning: Relating to the works of Charles Dickens or his style.

Part of speech: adjective

Example: The story had a Dickensian atmosphere, full of vivid characters.

Category: Literature › Historical

Synonyms:

• Victorian
• literary

Meaning: An authoritative statement or remark.

Part of speech: noun

Example: The judge's dictum set a precedent for future cases.

Synonyms:

• saying
• maxim

Meaning: Intended to teach, particularly in having moral instruction.

Part of speech: adjective

Example: The didactic novel aimed to educate its readers.

Synonyms:

• educational
• instructive

Antonyms:

• uninstructive
• uneducational

Meaning: To waste time or act in a silly way.

Part of speech: verb

Example: Stop diddling around and get to work!

Synonyms:

• fiddle
• dawdle

Meaning: Used to emphasize a small amount or nothing at all.

Part of speech: adverb

Example: I know diddly about that topic.

Category: General

Synonyms:

• nothing
• zero

Meaning: An expression of mock sympathy.

Part of speech: interjection

Example: Oh, diddums! Did you hurt your knee?

Category: General

Synonyms:

• poor thing
• oh dear

Meaning: A small or insignificant thing.

Part of speech: noun

Example: It's just a diddy of a problem.

Category: General

Synonyms:

• tiny
• little

Meaning: A branch of mathematics dealing with rates of change.

Part of speech: noun

Example: Differential calculus is essential for understanding motion.

Category: Science › Mathematics

Synonyms:

• calculus
• mathematics

Meaning: An equation involving derivatives of a function.

Part of speech: noun

Example: Solving a differential equation can be complex.

Category: Science › Mathematics

Synonyms:

• equation
• mathematical expression

Meaning: To cause a wave to spread out after passing through a narrow opening.

Part of speech: verb

Example: Light can diffract when it passes through a prism.

Category: Science › Physics

Synonyms:

• spread
• scatter