[ uhn-kuhn-see-vuh-buhl ]
See synonyms for unconceivable on Thesaurus.com

Origin of unconceivable

First recorded in 1605–15; un-1 + conceivable

Other words from unconceivable

  • un·con·ceiv·a·ble·ness, noun
  • un·con·ceiv·a·bly, adverb

Words Nearby unconceivable

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use unconceivable in a sentence

  • But when we make a generall assertion, unlesse it be a true one, the possibility of it is unconceivable.

    Leviathan | Thomas Hobbes
  • The immortality of the soul is as unconceivable as, in all strictness, is its absolute mortality.

    Tragic Sense Of Life | Miguel de Unamuno
  • The responsibility of the individual to his government was unconceivable and inconceivable.

    The Career of Leonard Wood | Joseph Hamblen Sears