100 entries under irregular topic. ×
| capricious(adjective, change, continue, unusual, passionate) | |
| unstable(adjective, upset, change, continue, passionate) | |
| uncertain(noun, adjective, upset, change, continue) | |
| erratic(adjective, change, continue, unusual, passionate) | |
| unreliable(adjective, passionate, careless, foolish, unstable) | |
| fickle(adjective, change, continue, passionate, careless) | |
| inconsistent(adjective, change, continue, passionate, strange) | |
| inconstant(adjective, upset, change, continue, careless) | |
| undependable(adjective, passionate, careless, foolish, unstable) | |
| unsettled(adjective, upset, uncertain, anxious, unstable) | |
| mercurial(adjective, change, continue, passionate, careless) | |
| variable(adjective, upset, change, continue, passionate) | |
| changeable(adjective, upset, change, continue, passionate) | |
| volatile(adjective, change, continue, difficult, delicate) | |
| dicey(noun, adjective, delicate, unusual, uncertain) | |
| fluctuating(adjective, lively, active, unstable) | |
| iffy(noun, adjective, uncertain, doubtful) | |
| temperamental(adjective, change, continue, delicate, careless) | |
| impulsive(noun, adjective, extraordinary, unusual, careless) | |
| wavering(adjective, upset, uncertain, anxious, unstable) |
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| APA | Smart Define. (2015). unpredictable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, unpredictable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>. |
| MLA | Smart Define. "unpredictable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms> |