6
unpredictable(adjective, careless, strange, unstable, unreasonable)
6
unreliable(adjective, unstable, irregular, doubtful, unsettled)
6
unsettled(adjective, anxious, unstable, doubtful, vague)
6
vacillating(adjective, unstable, doubtful, unsettled, vague)
6
wayward(adjective, careless, unstable, unreasonable, irregular)
5
catchy(adjective, informal, irregular, sporadic)
5
disconnected(adjective, loose, irregular, unreliable, uneven)
5
fanciful(adjective, free, careless, wild, unstable)
5
flickering(adjective, irregular, sporadic, irregularity of recurrence)
5
freakish(careless, unstable, unreasonable, unpredictable, changeable)
5
inconsistent(adjective, strange, unstable, irregular, unsettled)
5
indecisive(adjective, unstable, doubtful, unsettled, vague)
5
patchy(adjective, rough, irregular, odd, unreliable)
5
undependable(adjective, unstable, unsettled, variable)
5
wanton(adjective, free, careless, wild, caprice)
4
aimless(adjective, loose, unreliable, uneven, variable)
4
alternating(adjective, changeableness)
4
arbitrary(adjective, careless, unstable, unreasonable, irregular)
4
casual(erratic, random, haphazard)
4
changeful(adjective, careless, unstable, unreasonable, unsettled)
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APASmart Define. (2015). fitful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fitful/thesaurus/synonyms
ChicagoSmart Define. 2015. "fitful thesaurus" https://smartdefine.org/fitful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fitful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fitful/thesaurus/synonyms>.
MLASmart Define. "fitful thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/fitful/thesaurus/synonyms>