lost in WordNet English dictionary

1. 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"
   baffled  befuddled  bemused  bewildered  confounded  confused  lost  mazed  mixed-up  at sea 
   
2. 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"
   bemused  deep in thought  lost  preoccupied 
   
3. 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"
   confused  disoriented  lost 
   
4. unable to function; without help
   helpless  lost 
   
5. no longer in your possession or control; unable to be found or recovered
   "a lost child"; "lost friends"; "his lost book"; "lost opportunities"
   lost 
   
6. spiritually or physically doomed or destroyed
   "lost souls"; "a lost generation"; "a lost ship"; "the lost platoon"
   lost 
   
7. not gained or won
   "a lost battle"; "a lost prize"
   lost 
   
8. not caught with the senses or the mind
   "words lost in the din"
   lost  missed 
   
9. incapable of being recovered or regained
   "his lost honor"
   lost 
   

1. people who are destined to die soon
   "the agony of the doomed was in his voice"
   doomed  lost