certainty

[ sur-tn-tee ]
/ ˈsɜr tn ti /

noun, plural cer·tain·ties.

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

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 certein certain + -te -ty2

OTHER WORDS FROM certainty

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

WORDS THAT MAY BE CONFUSED WITH certainty

certainty certitude

synonym study for certainty

1. See belief.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for certainty

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