378 entries under adjective topic. ×
| uncertain(noun, clear, open, weak) | |
| dubious(noun, clear, open, great) | |
| questionable(noun, clear, great, obscure) | |
| suspicious(person, honest, unusual, strange) | |
| unsure(noun, clear, open, weak) | |
| debatable(noun, open, certain, uncertain) | |
| disputable(noun, open, certain, uncertain) | |
| hesitant(open, weak, uncertain, awkward) | |
| distrustful(person, uncertain, negative, nervous) | |
| indefinite(open, obscure, rough, uncertain) | |
| problematic(clear, open, rough, delicate) | |
| undecided(noun, open, weak, certain) | |
| unsettled(noun, open, weak, rough) | |
| skeptical(person, certain, doubt, uncertain) | |
| suspect(verb, great, honest, extraordinary) | |
| iffy(noun, clear, open, delicate) | |
| moot(noun, open, certain, uncertain) | |
| equivocal(clear, open, obscure, rough) | |
| ambiguous(clear, open, obscure, rough) | |
| dubitable(clear, certain, uncertain, unsettled) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |