77 entries under careless topic. ×

26
fickle(adjective, change, weak, continue, delicate)
25
unreliable(adjective, characteristic, quality, finance, banking)
23
capricious(adjective, change, continue, delicate, passionate)
21
unpredictable(adjective, upset, change, continue, passionate)
19
mercurial(adjective, change, continue, delicate, passionate)
19
mutable(adjective, upset, change, anxious)
16
flighty(adjective, unreasonable, unsettled, changeable)
14
undependable(adjective, delicate, passionate, foolish)
12
fitful(adjective, anxious, irregular, doubtful)
12
irresponsible(adjective, characteristic, quality, finance)
12
temperamental(adjective, change, continue, delicate)
9
changeful(adjective, upset, anxious, unreasonable)
9
dizzy(adjective, stupid, doubtful, shaky)
8
untrustworthy(adjective, weak, false, loose)
7
giddy(adjective, silly, stupid, doubtful)
6
wayward(adjective, unreasonable, irregular, unreliable)
5
impulsive(adjective, lively, active, unreasonable)
5
moody(adjective, unreasonable, unpredictable, changeable)
5
whimsical(adjective, change, continue, unreasonable)
4
crazy(adjective, wrong, foolish, stupid)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>