48 entries under irregular topic. ×
| uncertain(noun, adjective, clear, open, delicate) | |
| dubious(adjective, clear, open, delicate, certain) | |
| dicey(noun, adjective, delicate, uncertain, sensitive) | |
| unpredictable(noun, adjective, uncertain, doubtful) | |
| unreliable(adjective, delicate, uncertain, nervous, unstable) | |
| capricious(adjective, uncertain, dubious, unpredictable) | |
| erratic(adjective, uncertain, doubtful, vague) | |
| whimsical(adjective, uncertain, dubious, risky) | |
| unstable(adjective, delicate, uncertain, nervous) | |
| arbitrary(adjective, unpredictable, unreliable, changeable) | |
| fluctuant(adjective, uncertain, nervous, doubtful) | |
| variable(adjective, uncertain, doubtful, vague) | |
| inconsistent(adjective, unpredictable, unreliable) | |
| volatile(adjective, unusual, uncertain, unstable) | |
| changeable(adjective, uncertain, doubtful, vague) | |
| fitful(adjective, uncertain, unstable, doubtful) | |
| inconstant(adjective, uncertain, doubtful, vague) | |
| mercurial(adjective, unusual, uncertain, unstable) | |
| shifting(adjective, unusual, uncertain, unstable) | |
| spasmodic(adjective, unusual, uncertain, unstable) |
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| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms> |