2.无目的,随意的释义下的同义词 haphazard accidental futile fortuitous miss inane no pointless uncalculating purposeless random rudderless or directionless undi

3.漂泊的,无常的释义下的同义词 careless uninvolved unmotivated flighty straying whimsical drifting frivolous stray capricious wandering desultory reckless merc