Synonyms: haphazard, slapdash, slipshod, sloppy
Definition: marked by great carelessness
Usage: a most haphazard system of record keeping; slapdash work; slipshod spelling; sloppy workmanship
Similar words: careless
Definition: marked by lack of attention or consideration or forethought or thoroughness; not careful
Usage: careless about her clothes; forgotten by some careless person; a careless housekeeper; careless proofreading; it was a careless mistake; hurt by a careless remark