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[uhn-kuh n-see-vuh-buh l]
See more synonyms for unconceivable on Thesaurus.com
adjective Archaic.
  1. inconceivable.
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Origin of unconceivable

First recorded in 1605–15; un-1 + conceivable
Related formsun·con·ceiv·a·ble·ness, nounun·con·ceiv·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unconceivable

doubtful, dubious, farfetched, fishy, flimsy, impossible, improbable, inconceivable, incredible, obscure, problematic, puzzling, shaky, suspect, thin, unbelievable, unconvincing, unreasonable, unsubstantial, weak

Examples from the Web for unconceivable

Historical Examples of unconceivable

  • The responsibility of the individual to his government was unconceivable and inconceivable.

    The Career of Leonard Wood

    Joseph Hamblen Sears

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


    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