definition of
lose

[1] #1 lose v. 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". wn

[2] #2 lose v. fail to win; "We lost the battle but we won the war". wn

[3] #3 lose v. 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". wn

[4] #4 lose v. [misplace, mislay] place (something) where one cannot find it again; "I misplaced my eyeglasses". wn

[5] #5 lose v. miss from one's possessions; lose sight of; "I've lost my glasses again!". wn