27 entries under motiveless topic. ×

13
volatile(adjective, limited, changeable, brief, capricious)
13
flitting(verb, adjective, short, brief, volatile)
9
fickle(adjective, impulsive, unpredictable, capricious, transient)
8
capricious(adjective, impulsive, unpredictable, capricious, explosive)
6
impulsive(adjective, quick, unpredictable, speedy, capricious)
4
flighty(adjective, impulsive, unpredictable, capricious, explosive)
3
indecisive(adjective, capricious)
3
sporadic(adjective, capricious)
2
wandering
2
whimsical(adjective, impulsive, unpredictable, capricious, explosive)
2
arbitrary(adjective, capricious)
2
careless(adjective, quick, speedy, hasty, superficial)
2
chancy
2
fanciful(adjective, capricious)
2
irregular
2
random(adjective, capricious)
2
spastic
2
wayward(adjective, capricious)
1
adrift
1
ambivalent
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APASmart Define. (2016). fleeting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fleeting/thesaurus/synonyms
ChicagoSmart Define. 2016. "fleeting thesaurus" https://smartdefine.org/fleeting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, fleeting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fleeting/thesaurus/synonyms>.
MLASmart Define. "fleeting thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/fleeting/thesaurus/synonyms>