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. 
Random good picture Not show
61 He lost interest in much of his research.
62 Maria lost her 62-year-old mother in the massacre.
63 Stay close together-I don't want anyone to get lost.
64 The main of their investments was lost in.
65 They're in despair over/about the money they've lost.Sentencedict.com
66 He lost the thread of his argument.
67 He lost his footing and fell.
68 She lost her heart to the handsome guy.
69 We lost three secretaries in quick succession.
70 She lost a lot of blood in the accident.
71 I lost the is your lost.
72 She got lost in the throng.
73 She lost her husband in the crowd.
74 Tax fraud costs the country millions in lost revenue.
75 I tried to take a shortcut and got lost.
76 Do you know who won/lost the race?
77 Millions of people have lost their homes.
78 He got lost on the outward journey.
79 When I was ill I completely lost my appetite.
80 They lost everything that was dear to them.
81 I lost myself in the forest.
82 When it has is lost, brave to give up.
83 The Japanese invaders lost heart and slowly edged off.
84 He lost the tennis match by default.
85 Oh, fuck! I've lost my keys.
86 I lost my balance and fell on my face.
87 He lost everything that was dear to him.
88 Robert lost his footing and slithered down the bank.
89 The patient lost consciousness and went into convulsions.
90 We got lost in the thick fog.