(adj) marked by great carelessness, Syn. slapdash, slipshod, sloppy, Example:a most haphazard system of record keeping; slapdash work; slipshod spelling; sloppy workmanship
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
v. t. To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast; as, to slapdash mortar or paint on a wall, or to slapdash a wall. [ Colloq. ] Halliwell. [ 1913 Webster ]