87 entries under unpredictable topic. ×
| lubricious(adjective, lively, uncertain, active) | |
| mad(unusual, strange, lively, changeable) | |
| mobile(adjective, lively, active, unstable, unsettled) | |
| protean(adjective, unstable, unsettled, unreliable) | |
| quicksilver(lively, changeable, temperamental) | |
| resilient(lively, changeable, temperamental) | |
| short-fuse(lively, changeable, temperamental, resilient) | |
| spirited(lively, changeable, temperamental, resilient) | |
| sprightly(lively, changeable, resilient) | |
| temperamental(adjective, lively, uncertain, active) | |
| ticklish(adjective, lively, active, changeable) | |
| up-and-down(lively, changeable, uneven, temperamental) | |
| variant(adjective, unstable, unsettled, different) | |
| yo-yo(adjective, lively, active, changeable) | |
| active(lively, changeable, vaulting) | |
| brilliant(excellent, lively, special, changeable) | |
| dicey(unreliable, changeable, erratic, random) | |
| directionless | |
| effervescent(lively, changeable) | |
| fast-talking(lively, changeable) |
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| APA | Smart Define. (2016). irregular thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, irregular thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>. |
| MLA | Smart Define. "irregular thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms> |