aimlessly

from WordNet (r) 3.0 (2006)

aimlessly
    adv 1: without aim; in an aimless manner; "he wandered around
           aimlessly"

from The Collaborative International Dictionary of English v.0.48

Aimless \Aim"less\, a.
   Without aim or purpose; as, an aimless life. --
   {Aim"less*ly}, adv. -- {Aim"less*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

41 Moby Thesaurus words for "aimlessly":
      anarchically, at haphazard, at hazard, at random, bootlessly,
      casually, chaotically, confusedly, dispersedly, dysteleologically,
      fecklessly, fruitlessly, futilely, haphazardly, indiscriminately,
      inexplicably, insignificantly, meaninglessly, needlessly,
      nonconnotatively, nondenotatively, nonsensically, planlessly,
      pointlessly, promiscuously, purposelessly, randomly, riotously,
      senselessly, stochastically, to little purpose, to no purpose,
      turbulently, unaccountably, unmeaningly, unnecessarily,
      unsignificantly, uselessly, vaguely, vainly, wanderingly