86 entries under irregular topic. ×

10
restless(adjective, awkward, content, unsettled)
10
shifting(adjective, upset, anxious, limited)
9
changeful(adjective, upset, careless, anxious, unreasonable)
9
varying(adjective, unsettled, unpredictable, unreliable)
8
dubious(adjective, delicate, uncertain, nervous, dishonest)
8
uneven(adjective, stable, shaky, unpredictable)
6
iffy(adjective, delicate, uncertain, nervous)
6
spasmodic(adjective, anxious, unsettled, agitated)
6
wayward(adjective, careless, unreasonable, unreliable)
5
desultory(adjective, restless, unpredictable, disturbed)
5
impulsive(adjective, careless, lively, active, unreasonable)
5
unequal(adjective, stable)
4
eccentric(adjective, unusual, uncertain, unpredictable)
4
flickering(adjective, disturbed, changeable, variable)
4
lubricious(adjective, smooth, careless, lively, uncertain)
3
fluctuant(adjective, weak, uncertain, nervous)
2
aberrant(adjective, foolish, anxious, unreasonable, fantastic)
2
dicey(adjective, delicate, uncertain, doubtful)
2
haphazard(adjective, disturbed, broken, erratic)
2
rambling(unpredictable, unreliable, erratic, random)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>