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

Synonyms & Similar Words

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Antonyms & Near Antonyms

Synonym Chooser

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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of sudden Characterized by the sudden and persistent appearance of itchy, inflamed welts on the skin without a clear trigger, CSU can disrupt a person’s daily life and emotional well-being. Chloe Castleberry, Flow Space, 23 July 2025 The guiding question for me then became, what would Yuri and Mariela make of their sudden ‘sisterhood’? Jane Ciabattari july 22, Literary Hub, 22 July 2025 The sudden decision to release grand jury testimony and seek a meeting with Maxwell marks a notable shift for Bondi and appears aimed at appeasing a political base that remains fixated on Epstein’s ties to the powerful and the still-unanswered questions surrounding his death. Nik Popli, Time, 22 July 2025 Hip flexor injuries range in severity and are often caused by sudden movements, overuse, stiff muscles, or trauma. Aubrey Bailey, Verywell Health, 22 July 2025 See All Example Sentences for sudden
Recent Examples of Synonyms for sudden
Adjective
  • His unexpected cameo also served as a promotion for his Big3 basketball league, which is slated to play games at Heritage Bank Center on July 26, the last night of the Cincinnati Music Festival.
    Haadiza Ogwude, The Enquirer, 27 July 2025
  • Houser, meanwhile, continued his unexpected run, holding the Cubs scoreless for six innings before giving up a three-run homer to Reese McGuire in garbage time.
    Patrick Mooney, New York Times, 26 July 2025
Adjective
  • There are subtle transitions in this narrative, carefully plotted points of reference which keep the story from ever feeling disjointed or abrupt.
    Rachel Elspeth Gross, Forbes.com, 20 July 2025
  • In an abrupt June 23 announcement—only two months after the deal was unveiled—Novo Nordisk severed the partnership.
    Robert Alexander, MSNBC Newsweek, 18 July 2025

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Cite this Entry

“Sudden.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sudden. Accessed 30 Jul. 2025.

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