29 entries under dubious topic. ×

13
doubtful(adjective, clear, certain, uncertain, unsettled)
9
problematic(adjective, clear, open, certain, uncertain)
9
questionable(adjective, clear, certain, uncertain, anxious)
8
fishy(adjective, uncertain, doubtful, suspicious)
8
suspicious(adjective, uncertain, doubtful, unclear)
7
iffy(adjective, clear, informal, certain, uncertain)
7
problematical(adjective, clear, obscure, certain, uncertain)
7
suspect(uncertain, doubtful, unclear, questionable)
7
uncertain(adjective, clear, certain, anxious, doubtful)
6
debatable(adjective, uncertain, doubtful, unsettled, shaky)
6
disputable(adjective, uncertain, doubtful, tricky)
6
equivocal(adjective, clear, certain, uncertain, anxious)
5
ambiguous(adjective, clear, certain, uncertain, anxious)
5
controversial(adjective, uncertain, doubtful, unsettled, vague)
5
indecisive(adjective, clear, certain, uncertain, anxious)
5
shady(adjective, uncertain, doubtful, shaky)
4
open(adjective, uncertain, doubtful, unsettled, shaky)
3
arguable(adjective, uncertain, doubtful, unsettled)
3
indeterminate(adjective, clear, certain, uncertain, doubtful)
3
moot(adjective, uncertain, doubtful, unsettled)
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APASmart Define. (2015). dubitable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dubitable/thesaurus/synonyms
ChicagoSmart Define. 2015. "dubitable thesaurus" https://smartdefine.org/dubitable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, dubitable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dubitable/thesaurus/synonyms>.
MLASmart Define. "dubitable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/dubitable/thesaurus/synonyms>