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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Example Sentences

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Recent Examples of reaction Presenting every clue to every suspect to get their reaction can be tedious. — Jay Peters, The Verge, 1 Aug. 2026 Second, the array will track decay pathways that mirror stellar reactions, showing how heavy elements form during supernovae and neutron star collisions. — Aman Tripathi, Interesting Engineering, 1 Aug. 2026 Two of the satellite’s three reaction wheels, used for pointing, also stopped working. — Stephen Clark, ArsTechnica, 1 Aug. 2026 And there was a very negative reaction to Kamu really cornering you at that tea party. — Dalton Ross, Entertainment Weekly, 31 July 2026 See All Example Sentences for reaction

Recent Examples of Synonyms for reaction

Noun

When teammates learned Skubal could be back in roughly a month, the response in the Tigers clubhouse was visceral.

— Cody Stavenhagen, New York Times, 22 July 2026
In response, Tehran warned that that any US attack on Iranian nuclear facilities would be treated as an expansion of the war in the region, state media reported early Wednesday.

— Jessie Yeung, CNN Money, 22 July 2026