unmeticulous

bedraggled botched disheveled faulty fly-by-night fouled-up haphazard imperfect inaccurate inexact junky loose messed-up messy neglected negligent raunchy screwed-up scrubby scruffy shabby shoddy slapdash sloppy slovenly tacky tattered threadbare unkempt unsystematic unthorough untidy

careful neat polished refined well-done