11
unreliable(adjective, unstable, doubtful, unsettled, vague)
10
bumpy(adjective, rough, harsh, coarse, uneven)
10
disconnected(adjective, detached, confused, variable, erratic)
10
discontinuous(adjective, variable, broken, erratic, random)
10
unstable(adjective, lively, uncertain, active, unsettled)
10
unsymmetrical(adjective, rough, uneven, unbalanced, indefinite)
9
ever-changing
9
fickle(adjective, lively, uncertain, active, unstable)
9
fluctuating(adjective, rough, lively, active, unstable)
9
illegal
9
jerky(adjective, rough, uneven, variable, erratic)
9
kinky(adjective, unusual, strange, bent, eccentric)
9
lumpy(adjective, rough, coarse, uneven, unbalanced)
9
partisan(noun, adjective, combatant)
9
patchy(adjective, rough, consistent, uneven, variable)
9
quirky(adjective, wrong, unusual, wild, strange)
9
rugged(adjective, mean, rough, coarse, uneven)
9
second
9
unsettled(adjective, unstable, doubtful, vague, hesitant)
8
aimless(adjective, disorder, careless, insignificant, casual)
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APASmart Define. (2016). irregular thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms
ChicagoSmart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, irregular thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>.
MLASmart Define. "irregular thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms>