Action
Action noun - Something done by someone.
Reaction is a synonym for action in something done topic. In some cases you can use "Reaction" instead a noun "Action".
Reaction
Reaction noun - Action or behavior that is done in return to other action or behavior.
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Synonyms for Reaction
Mutual synonyms
How words are described
Both words in one sentence
- These actions are organized like so... Beat: A moment of action/reaction.
Source: Literature / Story - This is the heart of the fate alteration...where action and reaction are at their most powerful.
Source: Famous Last Words / Anime O To Z -
Moving substances this way follows the law of equal and opposite action and reaction.
Cite this Source
Reaction and Action. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/action/reaction
Action & Reaction. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/action/reaction>.
Reaction or Action. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/action/reaction.
Google Ngram Viewer shows how "action" and "reaction" have occurred on timeline