lose (http://definr.com/lose)

     v 1: fail to keep or to maintain; cease to have, either
          physically or in an abstract sense; "She lost her purse
          when she left it unattended on her seat" [ant: keep]
     2: fail to win; "We lost the battle but we won the war" [ant: win]
     3: suffer the loss of a person through death or removal; "She
        lost her husband in the war"; "The couple that wanted to
        adopt the child lost her when the biological parents
        claimed her"
     4: place (something) where one cannot find it again; "I
        misplaced my eyeglasses" [syn: misplace, mislay]
     5: miss from one's possessions; lose sight of; "I've lost my
        glasses again!" [ant: find]
     6: allow to go out of sight: "The detective lost the man he was
        shadowing after he had to stop at a red light"
     7: fail to make money in a business; make a loss or fail to
        profit; "I lost thousands of dollars on that bad
        investment!"; "The company turned a loss after the first
        year" [syn: turn a loss] [ant: profit, break even]
     8: fail to get or obtain; "I lost the opportunity to spend a
        year abroad" [ant: win]
     9: retreat [syn: fall back, drop off, fall behind, recede]
        [ant: gain]
     10: fail to perceive or to catch with the senses or the mind; "I
         missed that remark"; "She missed his point"; "We lost
         part of what he said" [syn: miss]
     11: be set at a disadvantage; "This author really suffers in
         translation" [syn: suffer]