The Oxford Thesaurus An A-Z Dictionary of Synonyms - haphazard adj.

1) random, arbitrary, chance, fortuitous, aleatory, accidental, unforeseen, unlooked-for, unexpected, adventitious, serendipitous: Her fate was to be decided by a haphazard throw of the dice. 2) casual, offhand, hit-or-miss, unsystematic, slapdash, slipshod, careless, disorganized, disorderly: He took some haphazard shots at the target.