378 entries under adjective topic. ×
| negative(person, uncertain, cynical, shameless) | |
| open(uncertain, nervous, unstable, unsettled) | |
| sceptical | |
| unbelievable(great, extraordinary, unreasonable, fantastic) | |
| wavering(open, weak, uncertain, nervous) | |
| unstable(weak, delicate, uncertain, nervous) | |
| queer(unusual, strange, fantastic, odd) | |
| speculative(uncertain, vague, unclear, interested) | |
| tentative(open, weak, uncertain, shy) | |
| tricky(noun, weak, delicate, uncertain) | |
| uneasy(open, uncertain, anxious, awkward) | |
| dicey(noun, open, obscure, delicate) | |
| diffident(uncertain, nervous, shy, hesitant) | |
| conjectural(vague, unsure, imaginary, theoretical) | |
| cynical(person, uncertain, negative, hesitant) | |
| doubtable(open, obscure, uncertain, shaky) | |
| leery | |
| pessimistic(person, uncertain, negative, cynical) | |
| questioning(uncertain, nervous, careful, hesitant) | |
| shy(slow, uncertain, awkward, hesitant) |
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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> |