having no cause or apparent cause; "a causeless miracle"; "fortuitous encounters--strange accidents of fortune"; "we cannot regard artistic invention as...uncaused and unrelated to the times"
having no justifying cause or reason; "a senseless, causeless murder"; "a causeless war that never had an aim"; "an apparently arbitrary and reasonless change"
continually changing especially as from one abode or occupation to another; "a drifting double-dealer"; "the floating population"; "vagrant hippies of the sixties"
marked by great carelessness; "a most haphazard system of record keeping"; "slapdash work"; "slipshod spelling"; "sloppy workmanship"
dependent upon or characterized by chance; "a haphazard plan of action"; "his judgment is rather hit-or-miss"
without care; in a slapdash manner; "the Prime Minister was wearing a grey suit and a white shirt with a soft collar, but his neck had become thinner and the collar stood away from it as if it had been bought haphazard"