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definitions

lost

[lawst, lost]
adjective
  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 or without object)
  1. simple past tense and past participle of lose.
Idioms
  1. get lost, Slang.
    1. to absent oneself: I think I'll get lost before an argument starts.
    2. to stop being a nuisance: If they call again, tell them to get lost.
  2. lost to,
    1. no longer belonging to.
    2. no longer possible or open to: The opportunity was lost to him.
    3. insensible to: lost to all sense of duty.
Related formsun·lost, adjective

Synonyms for lost

1. forfeited, gone, missing. 3. confused, perplexed. 4. squandered.

Antonyms for lost

1. found.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for unlost

lost

adjective
  1. unable to be found or recovered
  2. unable to find one's way or ascertain one's whereabouts
  3. confused, bewildered, or helplesshe is lost in discussions of theory
  4. (sometimes foll by on) not utilized, noticed, or taken advantage of (by)rational arguments are lost on her
  5. no longer possessed or existing because of defeat, misfortune, or the passage of timea lost art
  6. destroyed physicallythe lost platoon
  7. (foll by to) no longer available or open (to)
  8. (foll by to) insensible or impervious (to a sense of shame, justice, etc)
  9. (foll by in) engrossed (in)he was lost in his book
  10. morally fallena lost woman
  11. damneda lost soul
  12. get lost (usually imperative) informal go away and stay away
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for unlost

lost

adj.

"defeated," c.1300; "wasted, spent in vain," c.1500; also "no longer to be found" (1520s), from past participle of lose. Lost Cause in reference to the Southern U.S. bid for independence is from the title of E.A. Pollard's history of the CSA and the rebellion (1866). Lost Generation in reference to the period 1914-18 first attested 1926 in Hemingway's "The Sun Also Rises," where he credits it to Gertrude Stein.

Online Etymology Dictionary, © 2010 Douglas Harper
Idioms and Phrases with unlost

lost

In addition to the idioms beginning with lost

  • lost cause
  • lost in the shuffle
  • lost in thought
  • lost on one

also see:

  • get lost
  • he who hesitates is lost
  • make up for lost time
  • no love lost
  • you've lost me

Also seelose.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.