Thesaurus
certain
Synonyms and Antonyms of certain
1
known but not named
2
having or showing a mind free from doubt
3
having been established and usually not subject to change
determinate, final, firm, fixed, flat, frozen, hard, hard-and-fast, inexpugnable, set, settled, stable
4
impossible to avoid or evade
in the bag, in the cards (also on the cards)
5
not likely to fail
6
not capable of being challenged or proved wrong
controversial, debated, disputed
doubtful, dubious, iffy, inconclusive, indecisive, uncertain
academic (also academical), hypothetical, speculative, theoretical (also theoretic)
Synonym Discussion of certain
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- felt sure that I had forgotten something
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- police are certain about the cause of the fire
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- I'm positive that's the person I saw
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- you're always so cocksure about everything
Learn More about certain
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See words that rhyme with certain Dictionary: Definition of certain Spanish Central: Translation of certain Nglish: Translation of certain for Spanish speakers Britannica English: Translation of certain for Arabic speakers
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