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Synonyms and Antonyms of reaction

  1. 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 answer, reply, response, take Related Words backlash, kickback; rebound; recoil, reflex; revulsion, rise; counterreaction, counterresponse Near Antonyms action, behavior; cause, effect

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