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."