54 entries under tricky topic. ×
| uncertain(noun, adjective, clear, open, weak) | |
| dubious(noun, adjective, clear, open, great) | |
| questionable(noun, adjective, clear, great, obscure) | |
| unsure(noun, adjective, clear, open, weak) | |
| debatable(noun, adjective, open, certain, uncertain) | |
| disputable(noun, adjective, open, certain, uncertain) | |
| problematic(adjective, clear, open, rough, delicate) | |
| unsettled(noun, adjective, open, weak, rough) | |
| suspect(verb, adjective, great, honest, extraordinary) | |
| iffy(noun, adjective, clear, open, delicate) | |
| moot(noun, adjective, open, certain, uncertain) | |
| equivocal(adjective, clear, open, obscure, rough) | |
| ambiguous(adjective, clear, open, obscure, rough) | |
| dubitable(adjective, clear, certain, uncertain, unsettled) | |
| indecisive(adjective, clear, open, weak, delicate) | |
| unreliable(adjective, delicate, uncertain, nervous, unstable) | |
| borderline(adjective, clear, open, delicate, certain) | |
| chancy(noun, adjective, clear, delicate, certain) | |
| arguable(noun, adjective, certain, uncertain, unsettled) | |
| insecure(adjective, delicate, uncertain, awkward, nervous) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |