profitless

from WordNet (r) 3.0 (2006)

profitless
    adj 1: without profit or reward; "let us have no part in
           profitless quarrels"- D.D.Eisenhower; "How weary, flat,
           stale, and unprofitable / Seem to me all the uses of this
           world"- Shakespeare

from The Collaborative International Dictionary of English v.0.48

Profitless \Prof"it*less\, a.
   Without profit; unprofitable. --Shak.
   [1913 Webster]