111 entries under doubtful topic. ×

4
unfathomable(adjective, obscure, dark, uncertain)
4
unstable(adjective, delicate, uncertain, unsettled)
4
wavering(open, vague, uneven, unsure)
3
amphibological(adjective, dark, uncertain, faint)
3
debatable(adjective, open, uncertain, unsettled)
3
dim(adjective, weak, obscure, rough, dark)
3
intricate(adjective, complex, vague, unclear)
3
precarious(adjective, uncertain, unstable, vague)
3
problematical(adjective, clear, obscure, certain, uncertain)
3
shady(adjective, uncertain, shaky, dubious)
3
unfixed(adjective, vague, hesitant, unknown)
2
arcane(adjective, obscure, deep, vague)
2
arguable(adjective, uncertain, unsettled, vague)
2
changeable(vague, uneven, unsure, unbalanced)
2
concealed(adjective, cover, obscure, dark)
2
contingent(adjective, delicate, uncertain, unstable)
2
dicey(adjective, delicate, uncertain, unstable)
2
disputable(adjective, uncertain, dubious, tricky)
2
erratic(vague, uneven, unsure, unbalanced)
2
hidden(adjective, cover, obscure, dark)
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APASmart Define. (2016). ambiguous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ambiguous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ambiguous thesaurus" https://smartdefine.org/ambiguous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ambiguous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ambiguous/thesaurus/synonyms>.
MLASmart Define. "ambiguous thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/ambiguous/thesaurus/synonyms>