lose - verb

• fail to keep or to maintain; cease to have, either physically or in an abstract sense
• fail to win
• suffer the loss of a person through death or removal
• place (something) where one cannot find it again
• miss from one's possessions; lose sight of
• allow to go out of sight
• fail to make money in a business; make a loss or fail to profit
• fail to get or obtain
• retreat
• fail to perceive or to catch with the senses or the mind
• be set at a disadvantage

lose - thesaurus

mislay   misplace   miss   recede   suffer