Ill-contrived
Thesaurus
blighted bungled bungling butchered clumsy deficient destroyed fumbled half-assed haphazard hit-and-miss hit-or-miss ill-advised ill-considered ill-contrived ill-devised ill-done ill-executed ill-managed impolitic marred messy misconducted misdirected misguided mismanaged muffed murdered negligent promiscuous ruined slipshod slipshoddy sloppy slovenly sluttish spoiled spoilt untidy wrecked