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[in-kred-uh-buh l] /ɪnˈkrɛd ə bəl/
so extraordinary as to seem impossible:
incredible speed.
not credible; hard to believe; unbelievable:
The plot of the book is incredible.
Origin of incredible
late Middle English
First recorded in 1375-1425; late Middle English word from Latin word incrēdibilis. See in-3, credible
Related forms
incredibility, incredibleness, noun
incredibly, adverb
Can be confused
incredible, incredulous.
2. farfetched, astonishing, preposterous. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for incredibility
Historical Examples
  • It was this awesomeness, this incredibility, that overwhelmed her.

  • Neopa looked at him with her fawn-like eyes large with incredibility and hope.

    The Snow-Burner Henry Oyen
  • For all its incredibility, the adventure lacks every element of surprise.

  • The situation was incredible, and waxed daily in incredibility.

    Mr. Prohack

    E. Arnold Bennett
  • But it was idle to talk of the incredibility of such instances.

  • I am afraid to mention their eyes, lest, from the incredibility of the thing, you should not believe me.

  • There was an incredibility in my apparent lack of motive that puzzled him.

  • One cause of the incredibility of popular stories is the fusion of legend with myth.

    Logic Carveth Read
  • If they thought it so incredible, why not give him the benefit of the incredibility?

    Black Rebellion Thomas Wentworth Higginson
  • So hopeless is the case of a mere crude, unadulterated fact against an irresistible a priori belief in its incredibility.

    Somehow Good William de Morgan
British Dictionary definitions for incredibility


beyond belief or understanding; unbelievable
(informal) marvellous; amazing
Derived Forms
incredibility, incredibleness, noun
incredibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for incredibility



early 15c., "unbelievable," from Latin incredibilis "not to be believed," from in- "not" (see in- (1)) + credibilis "worthy of belief" (see credit). Used c.1400 in a now-extinct sense of "unbelieving, incredulous." Related: Incredibly.

Online Etymology Dictionary, © 2010 Douglas Harper
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