Synonyms|1.7kAntonyms|642|Broader|15Narrower|44Related|2.1k

3 entries under sure topic. ×

18
uncertain(adjective, clear, doubtful, changeable)
9
undecided(adjective, definite)
3
mercurial
For more, visit Certain on Power Thesaurus
10 years ago|8.4k views|share |citing 
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>