unthinkable

Etymology

Definitions

1. 1

   That cannot be believed.

   • Near-synonyms: unbelievable, incredible, inconceivable
2. 2

   Inconceivable or unimaginable

   Inconceivable or unimaginable; extremely improbable in a way that goes against common sense.

   • Near-synonyms: inconceivable, imponderable
   • Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development - Lewis Mumford
   • With 16 minutes left on the clock and the tension climbing through the roof, Trinh-Duc tried his luck with a penalty from just inside halfway only to push it wide, but the unthinkable now seemed a real possibility.
3. 3

   Extremely improper

   Extremely improper; extremely at odds with norms of expected behavior.

   • Near-synonyms: taboo, unspeakable, unutterable, inconceivable
4. ›+ 1 more definitionshow fewer

   1. 4

      Something, or various things collectively, that one dare not think about, dare not do, or…

      Something, or various things collectively, that one dare not think about, dare not do, or dare not think about doing.

      • Near-synonym: unspeakable
      • do the unthinkable
      • did the unthinkable

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