119 entries under unstable topic. ×

6
variable(adjective, careless, lively, active)
6
wayward(adjective, unusual, careless, unreasonable)
5
arbitrary(adjective, unusual, careless, unreasonable)
5
freakish(adjective, unusual, careless, unreasonable)
5
irresolute(adjective, irregular, unsettled, unpredictable)
5
mutable(adjective, careless, unreasonable, unsettled)
5
uncertain(adjective, unusual, chance, original)
5
unreliable(adjective, irregular, unsettled, unpredictable)
4
inconsistent(adjective, irregular, unsettled, unpredictable)
4
irregular(adjective, lively, active, chance)
4
temperamental(adjective, moving, cross, careless, lively)
4
touchy(adjective, nervous, restless, fiery)
4
unsteady(adjective, unsettled, unpredictable, unreliable)
3
changeful(adjective, careless, unreasonable, irregular)
3
irritable(adjective, intense, violent, hot)
3
moody(adjective, careless, unreasonable, restless)
3
short-tempered(adjective, changeable, volatile, fiery)
2
blowing hot and cold(expression, idiom, careless, unreasonable)
2
flaky(adjective, informal, unusual, careless, lively)
2
permutable(adjective, unsettled, fickle, variable)
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APASmart Define. (2015). impulsive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impulsive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impulsive thesaurus" https://smartdefine.org/impulsive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impulsive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impulsive/thesaurus/synonyms>.
MLASmart Define. "impulsive thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/impulsive/thesaurus/synonyms>