130 entries under changeable topic. ×

5
irresolute(adjective, unstable, irregular, unsettled, unpredictable)
5
mutable(adjective, careless, unstable, unreasonable, unsettled)
5
uncertain(adjective, unusual, unstable, chance, original)
5
unreliable(adjective, unstable, irregular, unsettled, unpredictable)
5
unstable(adjective, careless, lively, active, unreasonable)
4
inconsistent(adjective, unstable, irregular, unsettled, unpredictable)
4
irregular(adjective, lively, active, unstable, chance)
4
temperamental(adjective, moving, cross, careless, lively)
4
unsteady(adjective, unstable, unsettled, unpredictable, unreliable)
3
changeful(adjective, careless, unstable, unreasonable, irregular)
3
frivolous(adjective, silly, crazy, unreliable)
3
giddy(unpredictable, unreliable, erratic, unsteady)
3
short-tempered(adjective, unstable, volatile, fiery)
2
blowing hot and cold(expression, idiom, careless, unstable, unreasonable)
2
chancy(adjective, unusual, erratic, random)
2
dizzy(adjective, quick, unreliable, rash)
2
flaky(adjective, informal, unusual, careless, lively)
2
flickering(adjective, intense, violent, hot, fierce)
2
harebrained(careless, silly, crazy, thoughtless, unreliable)
2
shifting(adjective, unstable, irregular, unsettled, unpredictable)
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APASmart Define. (2015). impulsive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impulsive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impulsive thesaurus" https://smartdefine.org/impulsive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impulsive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impulsive/thesaurus/synonyms>.
MLASmart Define. "impulsive thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/impulsive/thesaurus/synonyms>