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Word of the Day Tuesday, June 9, 2026

certainty

/səˈtɪn.ti/ noun · British & US
Valid in UKValid in US
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What does certainty mean?

noun

The state of being certain; a feeling of complete confidence or assurance. A fact or statement that is known or proved to be true.

Example

"She had a sense of certainty about her decision to quit her job."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for certainty

Antonyms of certainty

Rhymes with certainty

Etymologically related