Synonyms|272Antonyms|89|Broader|3Narrower|0Related|401

55 entries under adjective topic. ×

3
doubtful
3
precarious(strong, stable, doubtful, tricky)
3
suspicious(careless, certain, doubtful, fishy)
3
unsure(clear, certain, doubtful, insecure)
2
debatable
2
dubious(clear, honest)
2
equivocal
2
problematic
2
questionable
2
shaky
2
unclear
2
undecided(definite, sure)
1
chancy
1
dubitable
1
fishy
1
incredulous
1
insecure
1
shady
1
uncertain(clear, sure)
1
unsettled
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APASmart Define. (2015). undoubted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undoubted/thesaurus/antonyms
ChicagoSmart Define. 2015. "undoubted thesaurus" https://smartdefine.org/undoubted/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undoubted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undoubted/thesaurus/antonyms>.
MLASmart Define. "undoubted thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undoubted/thesaurus/antonyms>