INCIDENTAL

adj. 1 casual, chance, fortuitous, aleatory, random, haphazard, serendipitous, unpredictable, accidental, adventitious, unplanned, unlooked-for, Colloq fluky Any good that came from the war was incidental 2 subordinate, secondary, ancillary, minor, lesser, non-essential, unimportant, trivial, negligible, inconsequential, insignificant, petty, trifling, paltry The incidental events were not covered by the press