15
irresolute(adjective, careless, anxious, unstable, irregular)
14
changeful(adjective, upset, careless, anxious, unstable)
14
fitful(adjective, free, wild, anxious, unstable)
14
inconsistent(adjective, change, continue, loose, uncertain)
14
vacillating(adjective, unstable, irregular, doubtful, unsettled)
13
fluctuating(adjective, free, wild, lively, active)
13
unfaithful(adjective, false, dishonest, immoral, unpredictable)
12
false(adjective, dishonest, dubious, unpredictable, unsound)
12
shifting(adjective, upset, anxious, unstable, irregular)
11
impulsive(adjective, careless, lively, active, unstable)
10
disloyal(adjective, false, dishonest, unsound, fickle)
10
faithless(adjective, false, dishonest, immoral, rotten)
10
unfixed(adjective, unstable, doubtful, unsettled, vague)
10
varying(adjective, unstable, irregular, unsettled, unpredictable)
9
indecisive(adjective, unstable, doubtful, unsettled, vague)
9
protean(adjective, unstable, unsettled, unpredictable, unreliable)
9
restless(adjective, content, unstable, irregular, unsettled)
8
uneven(adjective, unstable, irregular, shaky, unpredictable)
8
untrue(adjective, false, dishonest, unpredictable, changeable)
8
versatile(adjective, unstable, unsettled, changeable, variable)
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APASmart Define. (2016). inconstant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inconstant/thesaurus/synonyms
ChicagoSmart Define. 2016. "inconstant thesaurus" https://smartdefine.org/inconstant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, inconstant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inconstant/thesaurus/synonyms>.
MLASmart Define. "inconstant thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/inconstant/thesaurus/synonyms>