1. (a.) Not directed; not guided; left without direction.

2. (a.) Not addressed; not superscribed, as a letter.

3. (a.) Misdirected; misled; led astray.

aberrant aberrative aimless amorphous capricious casual causeless circuitous departing designless desultory deviant deviating deviative deviatory devious digressive disarticulated discontinuous discursive disjunct disordered dispersed disproportionate driftless dysteleological errant erratic excursive fitful formless frivolous gratuitous haphazard hit-or-miss immethodical inchoate incoherent indirect indiscriminate inexplicable irregular labyrinthine mazy meandering meaningless mindless misshapen nonsymmetrical nonsystematic nonuniform orderless out-of-the-way planetary planless promiscuous purposeless rambling random roving senseless serpentine shapeless shifting snaky spasmodic sporadic stochastic straggling straggly stray swerving systemless turning twisting unaccountable unarranged unclassified ungraded unjoined unmethodical unmotivated unordered unorganized unsorted unsymmetrical unsystematic ununiform vagrant vague veering wandering winding zigzag