61 entries under ambiguous topic. ×

10
disreputable(adjective, uncertain, doubtful, unsettled, unpredictable)
10
problematical(adjective, clear, certain, uncertain, doubtful)
9
indeterminate(adjective, clear, obscure, rough, certain)
9
mistrustful(adjective, uncertain, nervous, doubtful, vague)
8
controversial(noun, adjective, uncertain, hot, doubtful)
5
borderline(adjective, clear, open, delicate, certain)
5
clouded(adjective, clear, certain, uncertain, doubtful)
5
disinclined(adjective, vague, unclear, averse)
4
ambivalent(open, doubtful, vague, unsure)
4
evasive(adjective, uncertain, dishonest, doubtful, vague)
4
hazy(uncertain, doubtful, vague, unclear)
4
indistinct(adjective, rough, uncertain, doubtful, unsettled)
4
puzzling(unusual, strange, uncertain, unreasonable, vague)
4
undetermined(adjective, open, rough, uncertainty, uncertain)
2
confused(adjective, uncertain, unsettled, vague, hesitant)
2
confusing(uncertain, vague, unclear, misleading)
2
fuzzy(vague, unclear, misleading, indistinct)
2
inexplicit(adjective, uncertain, vague, unclear)
2
shadowy(adjective, rough, faint, vague, unknown)
2
undefined(adjective, uncertain, doubtful, vague, unknown)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>