153 entries under dubious topic. ×

4
fuzzy(adjective, rough, doubtful, vague)
4
of two minds(expression, adjective, idiom, open, doubtful)
4
open to question(expression, adjective, doubtful, questionable)
4
rickety(adjective, weak, sensitive, feeble, doubtful)
4
tenebrous(adjective, obscure, rough, difficult, dark)
4
unintelligible(adjective, obscure, rough, difficult, dark)
3
disreputable(adjective, doubtful, unsettled, unpredictable)
3
dodgy(adjective, suspect, untrustworthy, shady)
3
doubtable(adjective, doubtful, unsettled, suspicious)
3
hypothetical(adjective, doubtful, likely, risky)
3
incredible(adjective, doubtful, suspicious, unlikely)
3
lost(noun, hesitant, unsure, perplexed)
3
misleading(adjective, doubtful, faint, vague)
3
on thin ice(expression, adjective, idiom, delicate, nervous)
3
oracular(dark, doubtful, mysterious)
3
unbelievable(adjective, doubtful, rare, suspicious)
2
agnostic(hesitant, unsure)
2
amphibological(adjective, obscure, rough, difficult, dark)
2
different(adjective, doubtful, suspect, shady)
2
disconcerted(adjective, hesitant, confused, unsure)
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APASmart Define. (2016). uncertain thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, uncertain thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>.
MLASmart Define. "uncertain thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms>