objectless

desultory erratic frivolous haphazard indiscriminate pointless random

accidental any which way bits and pieces blind capricious careless casual chance directionless drifting fanciful fickle fits and starts flighty fortuitous goalless heedless hit-or-miss indecisive irresolute purposeless shiftless stray thoughtless unavailing undirected unguided unplanned unpredictable vagrant wandering wanton wayward

definite methodical particular sensible specific systematic

determined directed goal-oriented motivated pointed purposeful resolute

accidental aimless arbitrary incidental indiscriminate irregular odd unplanned

adventitious by-the-way casual contingent designless desultory driftless fluky fortuitous hit-or-miss promiscuous purposeless slapdash spot stray unaimed unconsidered unpremeditated

essential methodical planned systematic

definite particular specific