Word.ws English Dictionary

reactionless

reactionless adjective: devoid of reactions; not reacting.

Adjective

reactionless (not comparable)

  1. Devoid of reactions; not reacting.
    • For the ensuing six months Mr G. again reverted to his reactionless state, until in March 1970 he was carried away by a new wave of responses.1973, Oliver Sacks, Awakenings

Origin of reactionless

From reaction + -less.

Words formed from reactionless

Phrases with reactionless

Questions about reactionless

What does reactionless mean?
Reactionless means devoid of reactions; not reacting.
What part of speech is reactionless?
Reactionless is an adjective.

Words near reactionless in the dictionary

  1. reactionary
  2. reactionaryism
  3. reactionism
  4. reactionist
  5. reactionists
  6. reactionless
  7. reactionless drive
  8. reactionless drives
  9. reactionlessness
  10. reactions
  11. reactionware

Source and license

Adapted from Wiktionary: reactionless (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “reactionless.” Word.ws, https://word.ws/reactionless. Based on Wiktionary, CC BY-SA 4.0.