65 entries under erratic topic. ×
| mutable(adjective, unstable, unsettled, unpredictable, unreliable) | |
| nonuniform(adjective, variable, random, haphazard) | |
| vacillating(adjective, unstable, doubtful, unsettled, vague) | |
| designless(adjective, careless, insignificant, casual, senseless) | |
| fragmentary(adjective, variable, random, haphazard) | |
| unpunctual(adjective, variable, random, haphazard) | |
| chancy(adjective, doubtful, vague, changeable, unsure) | |
| changeful(adjective, unstable, unsettled, unpredictable, unreliable) | |
| faltering(adjective, variable, random, haphazard) | |
| agitated(adjective, wild, unstable, unsettled, unpredictable) | |
| chance(adjective, careless, casual, changeable, secondary) | |
| fluid(adjective, unstable, unsettled, unpredictable, unreliable) | |
| fluky(chance, casual, changeable, random) | |
| iffy(adjective, unusual, uncertain, unstable, doubtful) | |
| incalculable(doubtful, vague, hesitant, unreliable, changeable) | |
| mobile(adjective, lively, active, unstable, unsettled) | |
| protean(adjective, unstable, unsettled, unpredictable, unreliable) | |
| touch and go(expression, idiom, doubtful, vague, changeable) | |
| unforeseeable(doubtful, vague, hesitant, changeable, unsure) | |
| up and down(expression, adjective, idiom, variable) |
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| APA | Smart Define. (2016). irregular thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, irregular thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>. |
| MLA | Smart Define. "irregular thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms> |