with no particular order or plan; not organized well The books had been piled on the shelves in a haphazard fashion. The government's approach to the problem was haphazard. Word Origin late 16th cent.: from hap ‘chance, luck’ + hazard.Extra examples The town had grown in a somewhat haphazard way. In the early years training was haphazard. It was the result of rather haphazard planning.