206 entries under unpredictable topic. ×

13
inconsistent(adjective, change, continue, unusual, passionate)
13
irregular(adjective, rough, lively, uncertain, active)
13
mobile(adjective, upset, change, weak, lively)
13
vacillating(adjective, uncertain, unstable, irregular, doubtful)
12
fluctuating(adjective, free, rough, wild, lively)
12
shifting(adjective, upset, unusual, anxious, unstable)
11
fluid(adjective, upset, change, free, anxious)
11
movable(adjective, weak, free, lively, uncertain)
10
impulsive(adjective, cross, lively, melancholy, active)
10
unfixed(adjective, unstable, limited, doubtful, unsettled)
9
fanciful(adjective, free, wild, impulsive)
9
transient(adjective, anxious, limited, unsettled, agitated)
9
uneven(adjective, smooth, rough, unstable, irregular)
9
whimsical(adjective, change, free, continue, wild)
8
impermanent(adjective, short, limited, impulsive)
8
temperamental(adjective, change, weak, continue, delicate)
8
unsure(adjective, loose, uncertain, doubtful, vague)
8
varying(adjective, unstable, irregular, unsettled)
7
ephemeral(adjective, short, limited, impulsive)
7
fly-by-night(adjective, loose, short, unreliable)
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APASmart Define. (2016). changeable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/changeable/thesaurus/synonyms
ChicagoSmart Define. 2016. "changeable thesaurus" https://smartdefine.org/changeable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, changeable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/changeable/thesaurus/synonyms>.
MLASmart Define. "changeable thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/changeable/thesaurus/synonyms>