124 entries under irregular topic. ×

13
fluctuating(adjective, lively, active, unstable)
13
haphazard(adjective, organization, plan, disturbed)
13
unusual(adjective, wild, strange, usual)
12
irresolute(adjective, careless, unstable, doubtful)
12
spasmodic(adjective, unstable, unsettled, unpredictable)
12
temperamental(adjective, change, continue, cross, careless)
12
unsettled(adjective, uncertain, unstable, doubtful)
12
unsystematic(adjective, careless, casual, random)
12
wavering(adjective, unstable, doubtful, unsettled)
11
outlandish(adjective, unusual, wild, strange, usual)
11
peculiar(adjective, unusual, strange, crazy, usual)
11
planetary(adjective, unsettled, unpredictable, unreliable)
10
abnormal(adjective, unusual, strange, unpredictable)
10
desultory(adjective, casual, unpredictable, deviation)
10
devious(adjective, unsettled, purpose, unpredictable)
10
quaint(adjective, unusual, wild, strange, crazy)
10
shifting(adjective, unstable, unsettled, shaky)
10
vacillating(adjective, unstable, doubtful, unsettled)
10
wandering(adjective, purpose, ambiguous, frivolous)
9
intermittent(adjective, violent, unpredictable, disturbed)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>