The meaning of CERTAINTY is something that is certain. How to use certainty in a sentence. Synonym Discussion of Certainty.

CERTAINTY definition: 1. the state of being completely confident or having no doubt about something: 2. something that…. Learn more.

CERTAINTY definition: the state of being certain. See examples of certainty used in a sentence.

Certainty is the state of being definite or of having no doubts at all about something. I have told them with absolute certainty there'll be no change of policy.

Certainty bet one’s boots To be absolutely sure or certain of something. The reference is to a gambler (perhaps a cowboy, whose boots are among his most important possessions) so sure of winning that …

Dec 21, 2025 · certainty (countable and uncountable, plural certainties) She spoke with complete certainty. There is no certainty that the plan will succeed.

Certainty is the state of being completely confident or sure about something, a situation where there is no doubt or it is free from ambiguity. It could also refer to a situation or event that is inevitable or …