80 entries under unpredictable topic. ×

5
fanciful(adjective, free, careless, wild, unstable)
5
freakish(careless, unstable, unreasonable, changeable)
4
changeful(adjective, careless, unstable, unreasonable, unsettled)
4
rambling(adjective, strange, loose, fantastic, irregular)
3
crotchety(adjective, careless, unstable, unreasonable)
3
mutable(adjective, careless, unstable, unreasonable, unsettled)
3
varying(adjective, unstable, unsettled, unreliable)
2
contrary(careless, unstable, unreasonable, changeable)
2
roving(anxious, irregular, unsettled, restless)
2
temperamental(adjective, cross, careless, melancholy, unstable)
2
undirected(irregular, unreliable)
2
up and down(expression, adjective, idiom, free, careless)
1
aberrant(irregular, unreliable, uneven, variable)
1
ambivalent(doubtful, vague, hesitant, changeable)
1
any way the wind blows(expression, careless, unstable, unreasonable)
1
bizarre(adjective, strange, uncertain, fantastic, irregular)
1
blowing hot and cold(expression, careless, unstable, unreasonable)
1
careless(unstable, unreasonable, changeable, variable)
1
conjectural(doubtful, vague, hesitant, changeable)
1
devious(adjective, irregular, unreliable)
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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>