59 entries under fickle topic. ×

9
unreliable(adjective, careless, unstable, unsettled, vague)
8
fluctuating(adjective, lively, unstable, unsettled, changeable)
8
harebrained(adjective, ability, careless, excited, silly)
8
indecisive(adjective, unstable, unsettled, erratic)
8
irresolute(adjective, careless, unstable, unsettled, unpredictable)
8
light(adjective, happy, silly, foolish, funny)
7
undependable(adjective, careless, excited, unstable, unsettled)
7
featherbrained(adjective, slight, ability, careless, silly)
6
changeful(adjective, careless, unstable, unreasonable, unsettled)
6
impetuous(adjective, foolish, crazy, unreliable, changeable)
6
lively(adjective, happy, excited, active, cheerful)
5
birdbrained(adjective, slang, ability, irresponsible)
5
effervescent(adjective, careless, unstable, unreasonable, changeable)
5
gaga(adjective, ability, informal, careless, lively)
5
mutable(adjective, careless, unstable, unreasonable, unsettled)
4
careless(adjective, foolish, stupid, unstable, unreasonable)
4
lightheaded(adjective, excited, unreliable, changeable)
4
unbalanced(adjective, irresponsible)
2
airheaded(adjective, irresponsible)
2
bubbleheaded(adjective, careless, lively, active, unpredictable)
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APASmart Define. (2015). flighty thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/flighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "flighty thesaurus" https://smartdefine.org/flighty/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, flighty thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/flighty/thesaurus/synonyms>.
MLASmart Define. "flighty thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/flighty/thesaurus/synonyms>