60 entries under dubious topic. ×

8
unsure(adjective, clear, open, rough, delicate)
7
indecisive(adjective, clear, open, delicate, certain)
7
unintelligible(adjective, obscure, rough, dark, uncertain)
5
chancy(adjective, clear, delicate, certain, uncertain)
5
dubitable(adjective, clear, certain, uncertain, anxious)
5
fishy(adjective, uncertain, doubtful, vague)
5
tricky(adjective, weak, delicate, false, uncertain)
5
unreliable(adjective, delicate, false, uncertain, unstable)
5
unsettled(adjective, open, rough, delicate, uncertain)
4
fuzzy(adjective, weak, rough, uncertain, doubtful)
4
iffy(adjective, clear, open, delicate, informal)
4
open(adjective, uncertain, unstable, doubtful, unsettled)
4
suspect(adjective, uncertain, dishonest, doubtful, vague)
4
unstable(adjective, delicate, uncertain, doubtful, unsettled)
3
amphibological(adjective, dark, uncertain, doubtful, faint)
3
debatable(adjective, open, uncertain, doubtful, unsettled)
3
problematical(adjective, clear, obscure, certain, uncertain)
3
shady(adjective, uncertain, doubtful, shaky)
2
arguable(adjective, uncertain, doubtful, unsettled, vague)
2
contingent(adjective, delicate, uncertain, unstable, doubtful)
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APASmart Define. (2016). ambiguous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ambiguous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ambiguous thesaurus" https://smartdefine.org/ambiguous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ambiguous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ambiguous/thesaurus/synonyms>.
MLASmart Define. "ambiguous thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/ambiguous/thesaurus/synonyms>