75 entries under erratic topic. ×
| fanciful(adjective, careless, unstable, unreasonable) | |
| haphazard(adjective, risky, dangerous, frivolous) | |
| protean(adjective, unstable, unsettled, unreliable, changeable) | |
| desultory(irregular, unreliable, frivolous, haphazard) | |
| fluid(adjective, upset, uncertain, anxious, unstable) | |
| mobile(adjective, upset, lively, uncertain, active) | |
| spasmodic(adjective, unstable, irregular, unsettled, unreliable) | |
| vagrant(unstable, unsettled, variable, pointless) | |
| cussed(adjective, passionate, unstable, unreliable, rash) | |
| directionless(irregular, unreliable, pointless, frivolous) | |
| easily upset(expression, adjective, passionate, unstable, unreliable) | |
| fiery(adjective, passionate, wild, unstable, unreliable) | |
| frivolous(adjective, impulsive, changeable, pointless) | |
| froward(adjective, passionate, unstable, unreliable, rash) | |
| headstrong(adjective, passionate, unstable, unreliable, rash) | |
| hotheaded(adjective, passionate, unstable, unreliable, rash) | |
| hyper(adjective, passionate, unstable, unreliable, rash) | |
| hypersensitive(adjective, delicate, passionate, sensitive, unstable) | |
| impatient(adjective, passionate, sensitive, unstable, unreliable) | |
| in bad mood(expression, adjective, idiom, passionate, 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> |