Adjective lost has 10 senses
  1. lost - no longer in your possession or control; unable to be found or recovered; "a lost child"; "lost friends"; "his lost book"; "lost opportunities"
    Antonyms:
    found, recovered
  2. confused, disoriented, lost - having lost your bearings; confused as to time or place or personal identity; "I frequently find myself disoriented when I come up out of the subway"; "the anesthetic left her completely disoriented"
    Antonyms: oriented, orientated (indirect, via unoriented)
  3. lost - spiritually or physically doomed or destroyed; "lost souls"; "a lost generation"; "a lost ship"; "the lost platoon"
    Antonyms:
    saved, blessed, rescued, reclaimed, ransomed, redeemed, salvageable
  4. lost - not gained or won; "a lost battle"; "a lost prize"
    Antonym:
    won
  5. lost - incapable of being recovered or regained; "his lost honor"
    Antonym:
    recoverable (indirect, via unrecoverable)
  6. lost, missed - not caught with the senses or the mind; "words lost in the din"
    Antonyms: comprehensible, comprehendible (indirect, via incomprehensible)
  7. bemused, deep in thought, lost, preoccupied - deeply absorbed in thought; "as distant and bemused as a professor listening to the prattling of his freshman class"; "lost in thought"; "a preoccupied frown"
    Antonym: thoughtless (indirect, via thoughtful)
  8. forgotten, lost - no longer known; irretrievable; "a forgotten art"; "a lost art"; "lost civilizations"
    Antonym: recoverable (indirect, via unrecoverable)
  9. baffled, befuddled, bemused, bewildered, confounded, confused, lost, mazed, mixed-up, at sea - perplexed by many conflicting situations or statements; filled with bewilderment; "obviously bemused by his questions"; "bewildered and confused"; "a cloudy and confounded philosopher"; "just a mixed-up kid"; "she felt lost on the first day of school"
    Antonym: unperplexed (indirect, via perplexed)
  10. helpless, lost - unable to function; without help
    Antonym: hopeful (indirect, via hopeless)
,Noun lost has 1 sense
  1. doomed, lost - people who are destined to die soon; "the agony of the doomed was in his voice"
    --1 is a kind of people
,Verb lose has 11 senses
  1. lose - fail to keep or to maintain; cease to have, either physically or in an abstract sense; "She lost her purse when she left it unattended on her seat"
    Antonyms:
    keep, hold on
    Sample sentence:
    They lose the money
  2. lose - fail to win; "We lost the battle but we won the war"
    Antonyms:
    win
    Derived forms: noun loser2, noun loser1, noun loser3
    Sample sentences:
    Somebody ----s
    Somebody ----s something
    Somebody ----s to somebody
  3. lose - suffer the loss of a person through death or removal; "She lost her husband in the war"; "The couple that wanted to adopt the child lost her when the biological parents claimed her"
    --3 is one way to
    suffer
    Sample sentences:
    Somebody ----s somebody
    Something ----s somebody
  4. misplace, mislay, lose - place (something) where one cannot find it again; "I misplaced my eyeglasses"
    --4 is one way to put, set, place, pose, position, lay
    Sample sentences:
    Somebody ----s something
    Somebody ----s something PP
  5. lose - miss from one's possessions; lose sight of; "I've lost my glasses again!"
    Antonyms:
    find, regain
    Derived form: noun losings1
    Sample sentence:
    Somebody ----s something
  6. lose - allow to go out of sight; "The detective lost the man he was shadowing after he had to stop at a red light"
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
  7. lose, turn a loss - fail to make money in a business; make a loss or fail to profit; "I lost thousands of dollars on that bad investment!"; "The company turned a loss after the first year"
    Antonyms: profit, turn a profit, break even
    Derived forms: noun loser3, noun losings1
    Sample sentence:
    They lose the money
  8. lose - fail to get or obtain; "I lost the opportunity to spend a year abroad"
    Antonyms:
    acquire, win, gain
    Sample sentences:
    Somebody ----s something
    Somebody ----s something to somebody
  9. fall back, lose, drop off, fall behind, recede - retreat
    --9 is one way to regress, retrograde, retrogress
    Sample sentence:
    Somebody ----s
  10. miss, lose - fail to perceive or to catch with the senses or the mind; "I missed that remark"; "She missed his point"; "We lost part of what he said"
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
  11. suffer, lose - be set at a disadvantage; "This author really suffers in translation"
    --11 is one way to worsen, decline
    Sample sentences:
    Something ----s
    Somebody ----s
    Something is ----ing PP
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