378 entries under adjective topic. ×
| problematical(clear, certain, uncertain, dubious) | |
| vacillating(weak, uncertain, nervous, shy) | |
| arguable(noun, certain, uncertain, unsettled) | |
| controversial(noun, uncertain, hot, unsettled) | |
| disreputable(dishonest, vague, dubious, unclear) | |
| doubting(weak, uncertain, shy, hesitant) | |
| insecure(delicate, uncertain, awkward, nervous) | |
| precarious(uncertain, unstable, shaky, vague) | |
| shaky(weak, delicate, uncertain, anxious) | |
| undetermined(open, weak, rough, determined) | |
| unpredictable(noun, uncertain, shy, vague) | |
| unresolved(open, uncertain, unsettled, vague) | |
| unsteady(weak, delicate, uncertain, unstable) | |
| clouded(clear, certain, uncertain, vague) | |
| enigmatic(uncertain, vague, dubious, mysterious) | |
| far-fetched(hard, extraordinary, uncertain, fantastic) | |
| hazy(uncertain, shaky, vague, unclear) | |
| hesitating(weak, slow, uncertain, shy) | |
| inconceivable(extraordinary, unreasonable, amazing, dubious) | |
| irresolute(uncertain, unsettled, hesitant, unsure) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |