1. (v. t.) Parted with unwillingly or unintentionally; not to be found; missing; as, a lost book or sheep.

2. (v. t.) Parted with; no longer held or possessed; as, a lost limb; lost honor.

3. (v. t.) Not employed or enjoyed; thrown away; employed ineffectually; wasted; squandered; as, a lost day; a lost opportunity or benefit.

4. (v. t.) Having wandered from, or unable to find, the way; bewildered; perplexed; as, a child lost in the woods; a stranger lost in London.

5. (v. t.) Ruined or destroyed, either physically or morally; past help or hope; as, a ship lost at sea; a woman lost to virtue; a lost soul.

6. (v. t.) Hardened beyond sensibility or recovery; alienated; insensible; as, lost to shame; lost to all sense of honor.

7. (v. t.) Not perceptible to the senses; no longer visible; as, an island lost in a fog; a person lost in a crowd.

8. (v. t.) Occupied with, or under the influence of, something, so as to be insensible of external things; as, to be lost in thought.

abandoned abashed ablated abroad absent absentminded absorbed abstracted accursed adrift astray at sea away baffled bemused bewildered beyond recall beyond remedy bothered buried by the board bygone castle-building clueless condemned confounded confused consumed corrupt cureless cursed damned daydreaming daydreamy dead defunct departed depleted desperate destroyed devastated discomposed disconcerted dismayed disoriented dissipated dissolute distracted distrait distraught disturbed doomed down the drain dreaming dreamy drowsing ecstatic elsewhere embarrassed engrossed eroded exhausted expended extinct fallen faraway forfeit forfeited forgotten frantic frenzied godless gone gone away gone to waste graceless guessing half-awake helpless hopeless immedicable in a fix in a maze in a pickle in a reverie in a scrape in a stew in the clouds incorrigible incurable inoperable irreclaimable irrecoverable irredeemable irreformable irremediable irreparable irretrievable irreversible irrevocable lacking late long-lost lost in thought lost to lost to sight lost to view mazed meditative mislaid misplaced misremembered missing misspent mooning moonraking museful musing mystified napping no more nodding nonexistent obliterated oblivious obsolete off the track out of sight out the window passed past past and gone past hope past praying for past recall pensive perplexed perturbed pipe-dreaming preoccupied put-out puzzled rapt remediless reprobate ruined run to seed shriftless shrunken somewhere else spent squandered stargazing strayed taken up terminal transported turned around unchaste unconscious unconverted undone unmitigable unredeemable unredeemed unregenerate unrelievable unsalvable unsalvageable unwon upset used used up vanished wanton wasted without a clue woolgathering worn away wrapped in thought wrecked