67 entries under unpredictable topic. ×

1
resilient(lively, impulsive, changeable, temperamental)
1
short-fuse(lively, changeable, temperamental, resilient)
1
spirited(lively, changeable, temperamental, resilient)
1
sprightly(lively, impulsive, changeable, resilient)
1
ticklish(lively, impulsive, changeable, temperamental)
1
variable(adjective, lively, active, impulsive)
1
volatile(adjective, lively, impulsive, changeable)
1
yo-yo(lively, changeable, temperamental, resilient)
0
active(lively, changeable)
0
airy(impulsive, explosive)
0
brilliant(lively, changeable)
0
capricious(lively, impulsive, changeable, temperamental)
0
changeable(lively, impulsive, uneven, temperamental)
0
effervescent(lively, impulsive, changeable, explosive)
0
elusive(impulsive, explosive)
0
ephemeral(impulsive, explosive)
0
explosive
0
fast-talking(lively, changeable)
0
fleeting(impulsive, explosive)
0
flighty(lively, impulsive, changeable, explosive)
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APASmart Define. (2015). up-and-down thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/up-and-down/thesaurus/synonyms
ChicagoSmart Define. 2015. "up-and-down thesaurus" https://smartdefine.org/up-and-down/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, up-and-down thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/up-and-down/thesaurus/synonyms>.
MLASmart Define. "up-and-down thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/up-and-down/thesaurus/synonyms>