108 entries under fickle topic. ×

1
careless(adjective, wild, loose, foolish, stupid)
1
contrary(adjective, careless, uncertain, unreasonable, irregular)
1
disreputable(adjective, open, uncertain, unsettled, shaky)
1
emotional(adjective, understanding, keen, fine, sensible)
1
erroneous(adjective, false, ill, sick, insane)
1
false(adjective, dishonest, ill, sick, dubious)
1
fiery(unpredictable, unreliable, volatile, erratic)
1
headstrong(unpredictable, unreliable, erratic, capricious)
1
high-strung(adjective, understanding, keen, fine, sensible)
1
hypersensitive(adjective, understanding, keen, fine, sensible)
1
impatient(awkward, unsettled, unpredictable, unreliable)
1
inaccurate(adjective, false, ill, sick, insane)
1
specious(adjective, wrong, false, foolish, stupid)
1
untrue(adjective, false, dishonest, dubious, unpredictable)
1
yo-yo(adjective, careless, lively, active, unreasonable)
0
cussed(unpredictable, unreliable, erratic)
0
deceitful(adjective, false, dishonest, dubious, unpredictable)
0
deceptive(adjective, unpredictable, variable, undependable)
0
delusive(adjective, unpredictable, variable, undependable)
0
easily upset(expression, unpredictable, unreliable, erratic)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>