175 entries under unpredictable topic. ×

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)
12
false(adjective, dishonest, dubious, unsound)
12
shifting(adjective, upset, anxious, unstable, irregular)
11
impulsive(adjective, careless, lively, active, unstable)
10
unfixed(adjective, unstable, doubtful, unsettled, vague)
10
varying(adjective, unstable, irregular, unsettled)
9
protean(adjective, unstable, unsettled, unreliable)
8
uneven(adjective, unstable, irregular, shaky)
8
untrue(adjective, false, dishonest, changeable)
8
whimsical(adjective, change, free, continue, careless)
7
fanciful(adjective, free, careless, wild, unstable)
7
impermanent(adjective, impulsive, explosive)
7
indefinite(adjective, careless, loose, doubtful, vague)
7
intermittent(adjective, anxious, irregular, unsettled, agitated)
7
transient(adjective, anxious, nervous, unsettled, agitated)
7
treacherous(adjective, false, unstable, dishonest, immoral)
6
fleeting(adjective, impulsive, explosive)
10 years ago|24k views|share |citing 
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>