378 entries under adjective topic. ×
| cautious | |
| confutable | |
| contestable | |
| dangerous(noun, delicate, uncertain, unstable) | |
| disturbed(uncertain, awkward, shy, hesitant) | |
| dodgy(dishonest, dubious, unreliable, suspect) | |
| faithless(uncertain, hesitant, unsure, believing) | |
| fallacious | |
| false(untrue, inaccurate, mythical) | |
| hairy(noun, delicate, uncertain, unstable) | |
| hard to believe(expression, idiom, unbelief doubt) | |
| impossible(extraordinary, unreasonable, amazing, dubious) | |
| inhibited | |
| introverted | |
| irrational(unusual, strange, uneven, unbalanced) | |
| peculiar(unusual, strange, dubious, suspect) | |
| perilous(delicate, uncertain, unstable, unsettled) | |
| retiring | |
| self-conscious | |
| sensitive(weak, delicate, uncertain, unstable) |
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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> |