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certainty

[ sur-tn-tee ]
/ ˈsɜr tn ti /
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noun, plural cer·tain·ties.

the state of being certain.
something certain; an assured fact.

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Idioms for certainty

    for / of a certainty, certainly; without a doubt: I suspect it, but I don't know it for a certainty.

Origin of certainty

1250–1300; Middle English certeinte<Anglo-French, equivalent to certeincertain + -te-ty2

synonym study for certainty

1. See belief.

OTHER WORDS FROM certainty

non·cer·tain·ty, noun, plural non·cer·tain·ties.

WORDS THAT MAY BE CONFUSED WITH certainty

certainty , certitude
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use certainty in a sentence

British Dictionary definitions for certainty

certainty
/ (ˈsɜːtəntɪ) /

noun plural -ties

the condition of being certain
something established as certain or inevitable
for a certainty without doubt
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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