Definition of "Haphazard" :

adjective: marked by great carelessness

"A most haphazard system of record keeping."

adjective: dependent upon or characterized by chance

"A haphazard plan of action."

adverb: 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."