Synonyms of certainty
15 similar words · 2 opposite words
Another word for certainty is certitude. Other synonyms of certainty are sureness, fatality and inevitability. The opposite of certainty is doubt.
Synonyms and similar words for certainty
nounThe state of being certain.
nounA fact or truth unquestionably established.
- banker British
- cert informalA certainty; something guaranteed to happen.
- cinch
- dead cert informalA practically guaranteed outcome.
- fatalityThe state proceeding from destiny; invincible necessity, superior to, and independent of, free and rational control.
- inevitabilityThe condition of being inevitable.
- racing certaintyAnything considered certain to happen; a sure thing.
- sure thingThat which is certain.
- fair betAn assumption that is likely to be true.
- good betSynonym of safe bet, sure bet, fair bet.
- safe betSomething that is almost certainly true.
- sure betSynonym of safe bet, good bet, fair bet.
Opposite of certainty
nounThe state of being certain.
Meaning of certainty
- noun The state of being certain.
- noun An instance of being certain.
- noun A fact or truth unquestionably established.
certainty in other languages
Questions about synonyms of certainty
- What is another word for certainty?
- Certainty has 15 synonyms on Word.ws, such as certitude, sureness, fatality and inevitability.
- What is the opposite of certainty?
- The opposite of certainty is doubt.
- What does certainty mean?
- Certainty means the state of being certain.
Source and license
Adapted from Wiktionary: certainty (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of certainty.” Word.ws, https://word.ws/synonyms/certainty. Based on Wiktionary, CC BY-SA 4.0.