- (v.t.) Not perceptible to the senses; no longer visible; as, an island lost in a fog; a person lost in a crowd.
- (v.t.) Not employed or enjoyed; thrown away; employed ineffectually; wasted; squandered; as, a lost day; a lost opportunity or benefit.
- (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.
- (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.
- (v.t.) Hardened beyond sensibility or recovery; alienated; insensible; as, lost to shame; lost to all sense of honor.
- (v.t.) Occupied with or under the influence of, something, so as to be insensible of external things; as, to be lost in thought.
- (v.t.) Parted with unwillingly or unintentionally; not to be found; missing; as, a lost book or sheep.
- (v.t.) Parted with; no longer held or possessed; as, a lost limb; lost honor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lost. Retrieved September 20, 2026, from http://smartdefine.org/lost/definitions/2028941 |
| Chicago | Webster's. 2011. "lost" http://smartdefine.org/lost/definitions/2028941 (accessed September 20, 2026). |
| Harvard | Webster's 2011, lost, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/lost/definitions/2028941>. |
| MLA | Webster's. "lost" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/lost/definitions/2028941> |