Meaning: A person who looks remarkably similar to another person.

Part of speech: noun

Example: She met her doppelganger at the festival.

Category: General

Synonyms:

• lookalike
• double

Meaning: The change in frequency of a wave in relation to an observer moving relative to the source of the wave.

Part of speech: noun

Example: Astronomers use the Doppler shift to determine the speed of stars.

Category: Science › Physics

Meaning: A character from Oscar Wilde's novel, known for his eternal youth and moral decline.

Part of speech: noun

Example: Doran Gray's story is a cautionary tale about vanity.

Category: Arts › Literature

Meaning: Relating to a style of ancient Greek architecture characterized by simplicity and strength.

Part of speech: adjective

Example: The Doric columns are a hallmark of classical architecture.

Category: Arts › Architecture

Synonyms:

• classical
• ancient

Meaning: A window set vertically in a structure that projects from a sloping roof.

Part of speech: noun

Example: The dormer window provided a beautiful view of the garden.

Category: Architecture › Building

Synonyms: roof window

Meaning: Relating to the back or upper side of an animal or object.

Part of speech: adjective

Example: The dorsal fin of the shark is very prominent.

Category: Biology

Synonyms:

• back
• upper

Meaning: An archaic form of 'do', used in old English.

Part of speech: verb

Example: Thou dost protest too much.

Category: General

Synonyms: do

Meaning: The period of life in which a person is old and weak.

Part of speech: noun

Example: In his dotage, he often forgot things.

Category: General

Synonyms:

• senility
• agedness

Meaning: An archaic form of 'does'.

Part of speech: verb

Example: He doth protest too much.

Category: Arts › Literature

Meaning: A spy who works for two opposing sides.

Part of speech: noun

Example: The double agent provided information to both countries.

Category: Politics › Espionage

Synonyms:

• spy
• traitor

Meaning: A deceptive tactic where someone pretends to be deceived.

Part of speech: noun

Example: His double bluff caught everyone off guard.

Category: General

Synonyms: deception

Meaning: A person who betrays trust or acts dishonestly.

Part of speech: noun

Example: He was known as a double dealer in business.

Category: Business › Ethics

Synonyms:

• traitor
• deceiver

Meaning: A chemical reaction where two compounds exchange components.

Part of speech: noun

Example: Double decomposition is common in precipitation reactions.

Category: Science › Chemistry

Synonyms: double displacement

Meaning: A phrase with two meanings, one often risqué.

Part of speech: noun

Example: The comedian's joke was a clever double entendre.

Category: Arts › Literature

Synonyms: double meaning

Meaning: The shape of DNA, consisting of two intertwined strands.

Part of speech: noun

Example: The double helix structure is crucial for genetic information.

Category: Science › Biology

Synonyms: spiral

Meaning: A legal principle preventing someone from being tried twice for the same crime.

Part of speech: noun

Example: The defendant was protected by double jeopardy.

Category: Law › Criminal Law

Synonyms: legal protection

Meaning: Living two separate lives, often with a hidden aspect.

Part of speech: noun

Example: He led a double life as a spy.

Category: General

Synonyms: dual existence

Meaning: A term for a person who is considered crazy or eccentric.

Part of speech: noun

Example: He’s a bit of a double loon with his wild ideas.

Category: General

Synonyms:

• eccentric
• crazy person

Meaning: A computer data type that uses twice the normal amount of memory for numbers.

Part of speech: noun

Example: Double precision is used for complex calculations.

Category: Technology › Computing

Synonyms: high precision

Meaning: To hold two contradictory beliefs at the same time.

Part of speech: verb

Example: In the novel, characters often double think to survive.

Category: Psychology

Synonyms: cognitive dissonance

Meaning: A condition where a person sees two images of one object.

Part of speech: noun

Example: He was diagnosed with double vision after the accident.

Category: Health

Synonyms: diplopia

Meaning: Having two barrels, often referring to a type of gun.

Part of speech: adjective

Example: He owns a double-barrelled shotgun.

Category: Technology › Firearms

Synonyms: dual-barrelled

Meaning: A study where neither the participants nor the researchers know who receives treatment.

Part of speech: adjective

Example: The double-blind trial ensured unbiased results.

Category: Science › Research

Synonyms: blind study

Meaning: Dishonest behavior involving betrayal.

Part of speech: noun

Example: His double-dealing led to a loss of trust.

Category: Business › Ethics

Synonyms:

• deception
• betrayal

Meaning: Having both positive and negative consequences.

Part of speech: adjective

Example: The decision was double-edged, bringing both benefits and risks.

Category: General

Synonyms:

• ambivalent
• two-sided

Antonyms:

• straightforward
• clear-cut

Meaning: Language that is deliberately ambiguous or evasive.

Part of speech: noun

Example: Politicians often use doublespeak to avoid direct answers.

Category: Language

Synonyms: evasive language

Meaning: A pair of similar things or a type of close-fitting jacket.

Part of speech: noun

Example: The doublet was popular in the Renaissance.

Category: Fashion

Synonyms:

• pair
• jacket

Meaning: Language that is intentionally ambiguous or misleading.

Part of speech: noun

Example: His double-talk made it hard to understand his true intentions.

Category: Language

Synonyms: evasive language

Meaning: A method of washing out the vagina.

Part of speech: noun

Example: Some women use a douche for hygiene.

Category: Health

Synonyms: cleanser

Meaning: Brave and persistent.

Part of speech: adjective

Example: The doughty knight fought valiantly.

Category: General

Synonyms:

• brave
• courageous

Antonyms:

• cowardly
• timid

Meaning: favoring peace or diplomacy over conflict.

Part of speech: adjective

Example: The dovish approach to negotiations helped avoid war.

Category: Politics › International Relations

Synonyms: peaceful

Antonyms: hawkish

Meaning: a decrease in value or quantity.

Part of speech: noun

Example: The down change in sales was concerning.

Category: Business › Finance

Synonyms: decline

Antonyms: increase

Meaning: a current of air moving downward.

Part of speech: noun

Example: The down draught made the room feel colder.

Category: Science › Meteorology

Synonyms: downdraft

Meaning: a device used to ignite a fire.

Part of speech: noun

Example: He used a down lighter to start the campfire.

Category: Technology › Fire Safety

Synonyms: lighter

Meaning: to the greatest extent or degree.

Part of speech: adverb

Example: He was down most of the day due to illness.

Category: Time

Synonyms: mostly

Meaning: a sudden loss of power or success.

Part of speech: noun

Example: His downfall was caused by poor decisions.

Category: Society › Politics

Synonyms: collapse

Antonyms: rise

Meaning: the street in London where the Prime Minister's residence is located.

Part of speech: noun

Example: Decisions are often made at Downing Street.

Category: Politics › Government

Synonyms: government

Meaning: a communication link that transmits data from a satellite to a ground station.

Part of speech: noun

Example: The down-link was established successfully.

Category: Technology › Telecommunications

Synonyms: data link

Meaning: kept secret or discreet.

Part of speech: adjective

Example: He prefers to keep his relationships downlow.

Category: Society › Privacy

Synonyms: secretive

Meaning: completely or very.

Part of speech: adverb

Example: It was downright cold outside.

Category: Intensity

Synonyms: absolutely