53 entries under unusual topic. ×
| dubious(noun, adjective, clear, open, great) | |
| questionable(noun, adjective, clear, great, obscure) | |
| suspicious(adjective, person, honest, strange) | |
| fishy(adjective, great, honest, informal, extraordinary) | |
| shady(adjective, open, honest, strange) | |
| queer(adjective, strange, fantastic, odd) | |
| strange(adjective, fantastic, dubious, unexpected) | |
| erratic(adjective, strange, vague, dubious) | |
| mysterious(dark, strange, uncertain, dubious) | |
| irrational(adjective, strange, uneven, unbalanced) | |
| peculiar(adjective, strange, dubious, suspect) | |
| crazy(adjective, strange, unexpected) | |
| funny(strange, dubious, suspect, shady) | |
| mad(adjective, strange, unexpected) | |
| odd(adjective, strange, irregular, dubious) | |
| weird(adjective, strange, unexpected) | |
| curious(strange, interested, unexpected, exploratory) | |
| extraordinary(strange, amazing, unexpected, incredible) | |
| flaky(extraordinary, strange, amazing, dubious) | |
| irregular(strange, vague, dubious, changeable) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |