139 entries under unstable topic. ×
| detonating | |
| detonative | |
| ebullient | |
| eruptive | |
| excitable(adjective, passionate, unreliable, fickle) | |
| fleeting(impulsive, volatile, explosive) | |
| forceful | |
| frenzied | |
| fulminant | |
| fulminating | |
| high-strung(unreliable, fickle, erratic) | |
| meteoric | |
| neurotic(adjective, passionate, unreliable, fickle) | |
| overwrought | |
| raging | |
| rampant | |
| stormy | |
| vaporous(impulsive, volatile, explosive) | |
| vehement |
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| APA | Smart Define. (2015). unpredictable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unpredictable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>. |
| MLA | Smart Define. "unpredictable thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms> |