lost /lɔst, lɒst/
1. no longer possessed or retained: lost friends.
2. no longer to be found: lost articles.
3. having gone astray or missed the way; bewildered as to place, direction, etc.: lost children.
4. not used to good purpose, as opportunities, time, or labor; wasted: a lost advantage.
5. being something that someone has failed to win: a lost prize.
6. ending in or attended with defeat: a lost battle.
7. destroyed or ruined: lost ships.
8. preoccupied; rapt: He seems lost in thought.
9. distracted; distraught; desperate; hopeless: the lost look of a man trapped and afraid.
–verb (used with object), verb (used without object)
10. pt. and pp. of lose.
11. get lost, Slang .
a. to absent oneself: I think I’ll get lost before an argument starts.
b. to stop being a nuisance: If they call again, tell them to get lost.
12. lost to,
a. no longer belonging to.
b. no longer possible or open to: The opportunity was lost to him.
c. insensible to: lost to all sense of duty.