50 entries under careless topic. ×

18
fickle(adjective, free, cross, cold)
13
unstable(adjective, anxious, irregular, doubtful)
11
flighty(adjective, unstable, unreasonable, unsettled)
10
whimsical(adjective, free, wild, unstable)
7
impulsive(adjective, unstable, unreasonable, irregular)
6
frivolous(adjective, free, wild, changeable)
6
mercurial(adjective, cross, melancholy, uncertain)
6
moody(adjective, unstable, unreasonable, changeable)
6
unpredictable(adjective, strange, unstable, unreasonable)
6
wayward(adjective, unstable, unreasonable, irregular)
5
fanciful(adjective, free, wild, unstable)
5
freakish(unstable, unreasonable, unpredictable, changeable)
5
wanton(adjective, free, wild, caprice)
4
arbitrary(adjective, unstable, unreasonable, irregular)
4
changeful(adjective, unstable, unreasonable, unsettled)
3
crotchety(adjective, unstable, unreasonable, unpredictable)
3
mutable(adjective, unstable, unreasonable, unsettled)
2
contrary(unstable, unreasonable, unpredictable, changeable)
2
temperamental(adjective, cross, melancholy, unstable)
2
up and down(expression, adjective, idiom, free)
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APASmart Define. (2015). fitful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fitful/thesaurus/synonyms
ChicagoSmart Define. 2015. "fitful thesaurus" https://smartdefine.org/fitful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, fitful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fitful/thesaurus/synonyms>.
MLASmart Define. "fitful thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/fitful/thesaurus/synonyms>