half-assed

desultory offhand perfunctory random sketchy superficial

brief careless depthless fast half-baked haphazard hit or miss hurried passing quick rapid shallow short slapdash slight sloppy speedy summary swift uncritical

careful detailed

complete meticulous painstaking perfect thorough unhurried

aimless arbitrary careless casual desultory disorganized erratic helter-skelter indiscriminate offhand random slapdash uncoordinated

accidental all over the map any old way any which way chance designless devil-may-care disorderly hit-or-miss incidental irregular loose purposeless reckless slipshod spontaneous sudden unconcerned unconscious unconsidered unexpected unmethodical unorganized unpremeditated unsystematic unthinking willy-nilly

careful definite deliberate methodical painstaking particular planned specific systematic

designed intentional organized straight thought-out