65 entries under erratic topic. ×

10
discontinuous(adjective, variable, broken, random)
10
unstable(adjective, lively, uncertain, active, unsettled)
9
fickle(adjective, lively, uncertain, active, unstable)
9
fluctuating(adjective, rough, lively, active, unstable)
9
jerky(adjective, rough, uneven, variable)
9
patchy(adjective, rough, consistent, uneven, variable)
9
unsettled(adjective, unstable, doubtful, vague, hesitant)
8
aimless(adjective, disorder, careless, insignificant, casual)
7
indiscriminate(adjective, insignificant, casual, senseless, confused)
7
shifting(adjective, strange, unstable, fantastic, unsettled)
7
volatile(adjective, lively, active, unstable, unsettled)
6
hit-or-miss(adjective, insignificant, senseless, confused, variable)
6
mercurial(adjective, lively, uncertain, active, unstable)
6
wavering(adjective, unstable, doubtful, unsettled, vague)
6
whimsical(adjective, wild, strange, crazy, unstable)
5
infrequent(adjective, excellent, extraordinary, unusual, special)
5
interrupted(adjective, detached, broken, infrequent)
5
varying(adjective, unstable, unsettled, unpredictable, unreliable)
4
impulsive(adjective, lively, active, unstable, chance)
4
irresolute(adjective, unstable, doubtful, unsettled, vague)
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APASmart Define. (2016). irregular thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms
ChicagoSmart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, irregular thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>.
MLASmart Define. "irregular thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms>