132 entries under doubtful topic. ×
| uncertain(noun, adjective, clear, open, delicate) | |
| chancy(noun, adjective, clear, delicate, certain) | |
| dubious(adjective, clear, open, delicate, certain) | |
| precarious(adjective, delicate, uncertain, sensitive, unstable) | |
| unsure(noun, adjective, clear, open, delicate) | |
| dicey(noun, adjective, delicate, uncertain, sensitive) | |
| problematic(adjective, clear, open, delicate, certain) | |
| risky(noun, adjective, delicate, uncertain, unstable) | |
| shaky(adjective, delicate, uncertain, nervous, unstable) | |
| unpredictable(noun, adjective, uncertain, irregular) | |
| hazardous(adjective, delicate, uncertain, sensitive, unstable) | |
| dangerous(noun, adjective, delicate, uncertain, sensitive) | |
| debatable(adjective, open, uncertain, dubious) | |
| dubitable(adjective, clear, certain, uncertain) | |
| unreliable(adjective, delicate, uncertain, nervous, unstable) | |
| insecure(adjective, delicate, uncertain, nervous, sensitive) | |
| problematical(adjective, clear, certain, uncertain) | |
| ambiguous(adjective, clear, open, delicate, certain) | |
| erratic(adjective, uncertain, irregular, vague) | |
| indeterminate(adjective, clear, certain, uncertain, nervous) |
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| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms> |