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

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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 Woods' reaction was something to behold, as the fans went wild, still in disbelief. Thomas G. Moukawsher, MSNBC Newsweek, 13 Apr. 2025 Her enthusiasm for her work and moments of success are met with a similar mix of reactions. Sarah Kurchak, Time, 11 Apr. 2025 These supplements may trigger allergic reactions, such as anaphylaxis, a severe, even life-threatening reaction to a substance.23 Biotin is not known to cause side effects in most people, even when taken in large amounts. Lindsay Curtis, Verywell Health, 11 Apr. 2025 The video quickly went viral on social media, and users were quick to comment on the hilarious reaction. Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025 See All Example Sentences for reaction

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“Reaction.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reaction. Accessed 25 Apr. 2025.

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