Synonym: at sea, baffled, befuddled, bemused, bewildered, confounded, confused, deep in thought, disoriented, doomed, forgotten, helpless, lost, mazed, missed, mixed-up, preoccupied. Similar words: lose, close, closer, closet, close up, closest, close in, at a loss. Meaning: [lɔst /lɒst] 
n. people who are destined to die soon. adj. 1. no longer in your possession or control; unable to be found or recovered 2. having lost your bearings; confused as to time or place or personal identity 3. spiritually or physically doomed or destroyed 4. not gained or won 5. incapable of being recovered or regained 6. not caught with the senses or the mind 7. deeply absorbed in thought 8. no longer known; irretrievable 9. perplexed by many conflicting situations or statements; filled with bewilderment 10. unable to function; without help.
n. people who are destined to die soon. adj. 1. no longer in your possession or control; unable to be found or recovered 2. having lost your bearings; confused as to time or place or personal identity 3. spiritually or physically doomed or destroyed 4. not gained or won 5. incapable of being recovered or regained 6. not caught with the senses or the mind 7. deeply absorbed in thought 8. no longer known; irretrievable 9. perplexed by many conflicting situations or statements; filled with bewilderment 10. unable to function; without help. 
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1 Lost time is never found again. Benjamin Franklin 
2 A kind word is never lost.
3 A friend is easier lost than found.
4 A good name is easier lost than won.
5 Friends are lost by calling often and calling seldom.
6 A good name is earlier lost than won.
7 Money lost, little lost; time lost,(www.Sentencedict.com) everything lost.
8 A good name is easier [soon] lost (than won).
9 All is not lost that is in danger.
10 An occasion lost cannot be redeemed.
11 A friend is not so soon gotten as lost.
12 Money is often lost for want of money.
13 A good name is sooner lost than won.
14 For a lost thing care nothing.
15 Time past never returns, amoment lost, lost for ever.
16 Lost time is never found again, and what we call time enough always proves little enough.
17 Lost wealth can be replaced by industry, lost knowledge by study, lost health by temperance or medicine, but lost time is gone for ever.
18 It is lost labour to sow where there is no soil.
19 Learning without thought is labour lost; thought without learning is perilous.
20 The fox that had lost its tail would persuade others out of theirs.
21 The fly that sips treacle is lost in the sweet.
22 Better to have loved and lost than never to have loved at all.
23 He who has lost his good name is a dead man among the living.
24 True friendship is like sound health.The value of it is seldom known until it is lost.
25 True friendship is like sound health, the value of it is seldom known until it be lost. Charles Caleb Colton
26 True friendship is like sound health, the value of which is seldom known until it be lost.
27 Riches are gotten with pain, kept with care, and lost with grief.
28 We know not what is good until we have lost it.
29 There is in liberty as in innocence and virtue a satisfaction one can only feel in their enjoyment and a pleasure which can cease only when lost.
30 The future of society is in the hands of mothers; if the world was lost through woman she alone can save it.