Lōst, a.

(21), a. [From lose.] 1. Parted from unwillingly; unintentionally rid of; not to be found; missing; as, a lost book or sheep.

2. Forfeited in an unsuccessful contest; not gained or won; as, a lost stake or battle.
3. Parted with; deprived of; no longer held or possessed; as, a lost limb; lost honor.
4. Not employed or enjoyed; thrown away; employed ineffectually; wasted; squandered; as, a lost day; a lost opportunity or benefit.
5. Having wandered from the way; bewildered; perplexed; as, a child lost in the woods; a stranger lost in London.
6. Ruined or destroyed, either physically or morally; as, a ship lost at sea; a woman lost to virtue.
7. Hardened beyond sensibility or recovery; alienated; insensible; as, a profligate lost to shame; lost to all sense of honor.
8. Not perceptible to the senses; not visible; as, an isle lost in a fog; a person lost in a crowd.