lose

verb:to fail to keep possession of something; to misplace it
- She realized she had lost her keys somewhere in the house.
verb:to be defeated in a competition, contest, or battle
- The home team lost the championship after a thrilling overtime period.
verb:to become deprived of a quality, condition, or state (e.g., lose weight, lose patience)
- He decided to exercise regularly to lose the extra pounds he had gained.
verb:to suffer a reduction or depletion of something valuable, such as money or resources
- Investors were worried that the company might lose millions due to the market crash.
verb:to become unconscious or to cease to be aware of one's surroundings
- She fainted on the hot day and briefly lost consciousness.
verb:to waste or use carelessly an opportunity or advantage
- Don't lose this chance to study abroad.
verb:to have something or someone taken away by death
- She will lose her beloved grandfather to illness.