119 entries under unstable topic. ×

19
capricious(adjective, cross, unusual, lively, melancholy)
19
careless(adjective, foolish, unreasonable, quick)
17
volatile(adjective, careless, lively, active, nervous)
12
whimsical(adjective, careless, unreasonable, unsettled)
11
changeable(adjective, cross, lively, melancholy, active)
11
fickle(adjective, moving, cross, careless, lively)
11
flighty(adjective, careless, unreasonable, unsettled)
10
thoughtless(adjective, rude, careless, silly, foolish)
9
inconstant(adjective, careless, lively, active)
8
erratic(adjective, cross, unusual, careless, lively)
8
indecisive(adjective, unsettled, fickle, variable)
8
irresponsible(adjective, foolish, unsettled, thoughtless)
8
unpredictable(noun, adjective, extraordinary, unusual, careless)
8
wild(noun, adjective, mean, strong, difficult)
7
fanciful(adjective, unusual, careless, unreasonable)
6
fitful(adjective, careless, unreasonable, irregular)
6
fluctuating(adjective, lively, active, irregular)
6
mercurial(adjective, cross, careless, lively, melancholy)
6
undependable(adjective, irregular, unsettled, unpredictable)
6
vacillating(adjective, irregular, unsettled, unpredictable)
11 years ago|18k views|share |citing 
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>