102 entries under fickle topic. ×

12
unsettled(adjective, uncertain, unstable, irregular, doubtful)
12
wavering(adjective, unstable, irregular, doubtful, unsettled)
11
mutable(adjective, careless, unstable, unreasonable, unsettled)
10
shifting(adjective, unstable, irregular, unsettled, shaky)
10
vacillating(adjective, unstable, irregular, doubtful, unsettled)
8
impulsive(adjective, cross, unusual, careless, lively)
7
changeful(adjective, careless, unstable, unreasonable, irregular)
7
frivolous(adjective, careless, unreasonable, impulsive, unpredictable)
7
giddy(adjective, weak, careless, silly, uncertain)
7
irresponsible(adjective, wild, silly, foolish, unstable)
7
unsure(adjective, loose, doubtful, vague, hesitant)
6
shifty(adjective, weak, uncertain, sensitive, doubtful)
6
varying(adjective, unstable, irregular, unsettled, unpredictable)
5
dubious(adjective, weak, unusual, strange, loose)
5
fly-by-night(adjective, loose, unpredictable, unreliable)
4
mobile(adjective, weak, lively, active, unstable)
3
gaga(adjective, careless, lively, active, unstable)
3
neurotic(adjective, passionate, anxious, unstable, unpredictable)
3
ticklish(adjective, change, continue, passionate, careless)
2
careless(adjective, loose, unstable, unreasonable, impulsive)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>