Synonyms|1.7kAntonyms|642|Broader|15Narrower|44Related|2.1k
2
dim
2
disbelieving
2
disputable
2
doubtable
2
doubting(verb, adjective)
2
faint
2
fallible(adjective, able, prone)
2
false
2
fickle
2
fiction
2
fishy
2
flickery
2
fluctuating
2
fluid
2
flukey
2
foggy
2
hazy(adjective, confused)
2
imprecise
2
improbable
2
inconclusive
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APASmart Define. (2016). certain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/certain/thesaurus/antonyms
ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/certain/thesaurus/antonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/certain/thesaurus/antonyms>