adj. 25B6; adjective UNMETHODICAL, uncoordinated, disorganized, unplanned, indiscriminate; random, inconsistent, irregular, erratic, casual, haphazard, chaotic.
UNSYSTEMATIC
Meaning of UNSYSTEMATIC in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012