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[sur-ti-tood, -tyood]
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  1. freedom from doubt, especially in matters of faith or opinion; certainty.
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Origin of certitude

1375–1425; late Middle English < Late Latin certitūdō, equivalent to Latin certi- (combining form of certus sure; see certain) + -tūdō -tude
Related formsnon·cer·ti·tude, nounun·cer·ti·tude, noun
Can be confusedcertainty certitude


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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for certitude

Contemporary Examples

Historical Examples

  • Since then his slenderness has developed into plumpness and his hope into certitude.

    My Double Life

    Sarah Bernhardt

  • I had had the presentiment of this, but the certitude of it now caused me intense grief.

    My Double Life

    Sarah Bernhardt

  • Our main hope lies just in the certitude that he must come to town sooner or later.

    Within the Tides

    Joseph Conrad

  • This certitude would have made her put up with worse torments.


    Joseph Conrad

  • I had the certitude that this mother, refused in her heart to give her son up after all.

    Under Western Eyes

    Joseph Conrad

British Dictionary definitions for certitude


  1. confidence; certainty
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Word Origin

C15: from Church Latin certitūdō, from Latin certus certain
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

Word Origin and History for certitude


early 15c., from Middle French certitude "certainty" (16c.), from Late Latin certitudinem (nominative certitudo) "that which is certain," from Latin certus "sure, certain" (see certain).

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Online Etymology Dictionary, © 2010 Douglas Harper