82 entries under unpredictable topic. ×

4
temperamental(adjective, moving, cross, careless, lively)
4
unsteady(adjective, unstable, unsettled, unreliable)
3
changeful(adjective, careless, unstable, unreasonable, irregular)
3
giddy(unreliable, changeable, erratic, unsteady)
3
momentary(adjective, brief, explosive, fleeting)
2
ephemeral
2
explosive(adjective, volatile, impetuous, excitable)
2
fugacious
2
fugitive
2
hot-blooded(adjective, moving, intense, violent, hot)
2
impermanent
2
shifting(adjective, unstable, irregular, unsettled)
2
short-lived(rapid, explosive, tumultuous)
2
transient
2
transitory
2
unsettled(adjective, silly, unstable, irregular)
2
varying(adjective, unstable, irregular, unsettled)
2
wavering(adjective, unstable, irregular, unsettled)
1
any way the wind blows(expression, careless, unstable, unreasonable)
1
bubbleheaded(adjective, lively, unreliable, changeable)
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APASmart Define. (2015). impulsive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impulsive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impulsive thesaurus" https://smartdefine.org/impulsive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impulsive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impulsive/thesaurus/synonyms>.
MLASmart Define. "impulsive thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/impulsive/thesaurus/synonyms>