Word.ws English Dictionary

unthink

unthink verb: to undo the process of thinking.

Verb

unthink (third-person singular simple present unthinks, present participle unthinking, simple past and past participle unthought)

  1. (intransitive, transitive) To undo the process of thinking.
    • They at least had the immense and mighty imagination of which I speak; they could unthink the past. They could uncreate the Fall. With a reverence which moderns might think impudence, they could uncreate the Creation.1930, G. K. Chesterton, The Resurrection of Rome
    • But to do so consistently would require a fairly radical revision of the concept. We should have to unthink as far back as Aristotle […]1993, Henning F Harmuth, Information Theory Applied to Space-time Physics

Forms of unthink

third-person singular presentunthinks
present participleunthinking
past participleunthought
pastunthought

Origin of unthink

From un- + think.

Questions about unthink

What does unthink mean?
Unthink means to undo the process of thinking.
What part of speech is unthink?
Unthink is a verb.
What is the past tense of unthink?
The past tense of unthink is unthought.

Words near unthink in the dictionary

  1. unthickened
  2. unthickening
  3. unthickens
  4. unthing
  5. unthings
  6. unthink
  7. unthinkabilities
  8. unthinkability
  9. unthinkable
  10. unthinkableness
  11. unthinkables

Source and license

Adapted from Wiktionary: unthink (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: “unthink.” Word.ws, https://word.ws/unthink. Based on Wiktionary, CC BY-SA 4.0.