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17
irregular(adjective, casual, irregular, confused, variable)
15
haphazard(adjective, organization, plan, loose, shabby)
14
erratic(adjective, careless, casual, irregular)
12
disorderly(adjective, order, careless, casual, confused)
11
chaotic(adjective, disorder, confused, extensive, erratic)
11
unmethodical(adjective, casual, confused, extensive, erratic)
10
sporadic(adjective, irregular, erratic, haphazard)
8
casual(adjective, careless, chance, erratic)
8
confused(adjective, disorder, extensive, untidy, chaotic)
8
fitful(adjective, irregular, erratic, haphazard)
8
indiscriminate(adjective, disorder, casual, untidy, chaotic)
7
capricious(adjective, irregular, erratic, haphazard)
7
desultory(adjective, careless, casual, irregular, unreliable)
7
inconstant(adjective, irregular, unreliable, uneven, variable)
7
uneven(adjective, irregular, unreliable, variable)
6
eccentric(adjective, irregular, unreliable, uneven, variable)
6
jumbled(adjective, confused, extensive, untidy, chaotic)
6
occasional(adjective, erratic, haphazard)
6
uncertain(erratic, haphazard)
6
variable(adjective, irregular, unreliable, uneven)
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APASmart Define. (2015). unsystematic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unsystematic/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsystematic thesaurus" https://smartdefine.org/unsystematic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unsystematic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unsystematic/thesaurus/synonyms>.
MLASmart Define. "unsystematic thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/unsystematic/thesaurus/synonyms>