(v)losefail 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”
(v)losesuffer 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”
(v)loseallow to go out of sight or mind“The detective lost the man he was shadowing after he had to stop at a red light”, “lose the crowds by climbing a mountain”, “the lost tribe”
(v)lose, turn a lossfail 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”