The meaning of REACTION is the act or process or an instance of reacting. How to use reaction in a sentence.

REACTION definition: 1. behaviour, a feeling or an action that is a direct result of something else: 2. someone's…. Learn more.

Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. The initial reaction of most participants is fear. He was …

REACTION meaning: 1 : the way someone acts or feels in response to something that happens, is said, etc.; 2 : an action or attitude that shows disagreement with or disapproval of someone …

Synonyms for REACTION: response, answer, take, reply, backlash, reflex, revulsion, recoil; Antonyms of REACTION: action, effect, behavior, cause

Define reaction. reaction synonyms, reaction pronunciation, reaction translation, English dictionary definition of reaction. n. 1. a. A response to a stimulus. b. The state resulting from such a …

A reaction is an action taken in response to something. If you're telling your parents that you want to move out, you'll see by their reaction that they're sad about it.

Definition of reaction noun from the Oxford Advanced Learner's Dictionary. [countable, uncountable] what you do, say or think as a result of something that has happened. reaction to …

Apr 1, 2025 · An action or statement in response to a stimulus or other event. The announcement of the verdict brought a violent reaction. You were in the courtroom. What is your reaction? …

A response, as to a stimulus or influence. A movement back to a former or less advanced condition, stage, etc.; esp., such a movement or tendency in economics or politics; extreme …