SUDDEN Synonyms: 17 Similar and Opposite Words

Q: How does the adjective 'sudden' contrast with its synonyms?

Some common synonyms of sudden are abrupt , headlong , impetuous , and precipitate . While all these words mean "showing undue haste or unexpectedness," sudden stresses unexpectedness and sharpness or violence of action. // flew into a sudden rage

Q: When might 'abrupt' be a better fit than 'sudden'?

Although the words abrupt and sudden have much in common, abrupt stresses curtness and a lack of warning or ceremony. // an abrupt refusal

Q: When is it sensible to use 'headlong' instead of 'sudden'?

While in some cases nearly identical to sudden , headlong stresses rashness and lack of forethought. // a headlong flight from arrest

Q: When is 'impetuous' a more appropriate choice than 'sudden'?

The meanings of impetuous and sudden largely overlap; however, impetuous stresses extreme impatience or impulsiveness. // an impetuous lover proposing marriage

Q: Where would 'precipitate' be a reasonable alternative to 'sudden'?

While the synonyms precipitate and sudden are close in meaning, precipitate stresses lack of due deliberation and implies prematureness of action. // the army's precipitate withdrawal

sudden

adjective

ˈsə-dᵊn

Definition of sudden

as in unexpected

not expected the sudden snowstorm resulted in thousands of evening commuters abandoning their cars on impassable highways

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How does the adjective sudden contrast with its synonyms?

Some common synonyms of sudden are abrupt, headlong, impetuous, and precipitate. While all these words mean "showing undue haste or unexpectedness," sudden stresses unexpectedness and sharpness or violence of action.

flew into a sudden rage

When might abrupt be a better fit than sudden?

Although the words abrupt and sudden have much in common, abrupt stresses curtness and a lack of warning or ceremony.

an abrupt refusal

When is it sensible to use headlong instead of sudden?

While in some cases nearly identical to sudden, headlong stresses rashness and lack of forethought.

a headlong flight from arrest

When is impetuous a more appropriate choice than sudden?

The meanings of impetuous and sudden largely overlap; however, impetuous stresses extreme impatience or impulsiveness.

an impetuous lover proposing marriage

Where would precipitate be a reasonable alternative to sudden?

While the synonyms precipitate and sudden are close in meaning, precipitate stresses lack of due deliberation and implies prematureness of action.

the army's precipitate withdrawal

Example Sentences

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Recent Examples of sudden That calm demeanor and preparedness is paying off with his sudden increase in playing time. — Meghan Montemurro, Chicago Tribune, 28 Aug. 2026 Virgo August 23 – September 22 A sudden career shift may ask you to steady your response before acting. — Tarot.com, The Orlando Sentinel, 28 Aug. 2026 The sudden loss of TPS for so many Haitian employees who reside in the region has hit its economy hard. — Theara Coleman, TheWeek, 27 Aug. 2026 The sudden focus on street food comes after Bass faced scrutiny for saying street vendors should not be allowed to set up in front of brick-and-mortar restaurants during a mayoral debate last week organized by the Sherman Oaks Homeowners Assn. — Sandra McDonald, Los Angeles Times, 27 Aug. 2026 See All Example Sentences for sudden

Recent Examples of Synonyms for sudden

Adjective

This move was not entirely unexpected, as Bezos hinted at the possibility during an interview with CNBC back in May.

— , CNBC, 28 Aug. 2026
Home insurance covers your home and belongings from unexpected events like fire, theft or natural disasters.

— Alora Bopray, USA Today, 27 Aug. 2026

Definition of unexpected

Adjective

Too often, the forceful arguments of Rankine and her peers—and the electric anger of the George Floyd protests—were used by the opportunistic and aggrieved to justify abrupt changes to unprepared institutions.

— Charles Finch, The Atlantic, 28 Aug. 2026
The White House’s abrupt decision last week to ease tariffs on 300,000 metric tons — more than 660 million pounds — of foreign beef imports has infuriated American cattle ranchers and congressional Republicans alike.

— Jane Onyanga-Omara, USA Today, 27 Aug. 2026

Definition of abrupt

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“Sudden.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sudden. Accessed 1 Sep. 2026.

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