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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
1375-1425; late Middle English < Latin 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. 2015.
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Examples from the web for incredible
  • Most important, its delicate balance and structure make it an incredible food wine.
  • What an incredible, creative transformation of an otherwise daunting space.
  • Clothed with large powers, he transacted in the next few years an almost incredible amount of difficult business for his country.
  • It is almost incredible how ancient and how widely diffused is the notion that sneezing is an omen which requires to be averted.
  • They were exposed here two days, and an incredible concourse of people watched the two nights in prayer.
  • He spent a great part of the day in the confessional with incredible patience, and there finished what he had begun in the pulpit.
  • Scarcely less impressive than the universality of speech is its almost incredible diversity.
  • But there is something else about it that is nonsensical and incredible.
  • His first sermons gained him an extraordinary reputation, and were accompanied with incredible success.
  • Being ordained deacon of that church, he became an apostle of penance, which he preached with incredible zeal and fruit.
British Dictionary definitions for incredible


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 incredible

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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