purposeless

purposeless
    adj 1: not evidencing any purpose or goal [ant: {purposeful}]
    2: serving no useful purpose; having no excuse for being;
       "otiose lines in a play"; "advice is wasted words"; "a
       pointless remark"; "a life essentially purposeless";
       "senseless violence" [syn: {otiose}, {pointless},
       {purposeless}, {senseless}, {superfluous}, {wasted}]
    

Purposeless \Pur"pose*less\, a.
   Having no purpose or result; objectless. --Bp. Hall. --
   {Pur"pose*less*ness}, n.
   [1913 Webster]
    

60 Moby Thesaurus words for "purposeless":
      aimless, bootless, casual, causeless, designless, desultory,
      discursive, disorganized, driftless, dysteleological, empty,
      feckless, fustian, garbled, good-for-nothing, haphazard,
      hit-or-miss, importless, impotent, inane, indiscriminate,
      ineffective, ineffectual, inexplicable, insignificant, irregular,
      meaningless, mindless, no go, nonconnotative, nondenotative,
      nonsensical, null, of no use, phatic, pointless, promiscuous,
      purportless, rambling, random, scrambled, senseless, stochastic,
      stray, superfluous, unaccountable, unavailing, undirected,
      unhelpful, unmeaning, unmotivated, unorganized, unplanned,
      unprofitable, unpurposed, unsignificant, useless, vacuous,
      wandering, worthless