REACTION Synonyms: 17 Similar and Opposite Words

reaction

noun

rē-ˈak-shən

Definition of reaction

as in response

action or behavior that is done in return to other action or behavior we were startled by her extreme reaction to being jilted by her boyfriend

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 reaction For someone without psoriasis having a reaction to PPD could just mean a few days or weeks of irritation. — Kara McGrath, Allure, 22 Oct. 2026 Chater has a similar reaction, but points out that his younger collaborators on No Bad Memories have an entirely different relationship with advertising. — Lily Moayeri, SPIN, 21 Oct. 2026 But whether or not her reaction to Abott and Costello was genuine or manufactured, her reaction to Fielder was the perfect punch line to a quintessential Nathan for You–style joke. — Hershal Pandya, Vulture, 21 Oct. 2026 Here are buyers’ reactions to the spring 2027 Shanghai season. — Denni Hu, Footwear News, 21 Oct. 2026 See All Example Sentences for reaction

Recent Examples of Synonyms for reaction

Noun

Their responses were not edited and are in the candidates’ own words.

— Rachel Royster, Fort Worth Star-Telegram, 19 Oct. 2026
More than 350 flights were canceled or delayed at Moscow airports, local media reported, as planes were grounded in response to incoming drones.

— Arkansas Online, Arkansas Online, 18 Oct. 2026