absent in WordNet English dictionary

1. go away or leave
   "He absented himself"
   absent  remove 
   

1. not being in a specified place
   absent 
   
2. lost in thought; showing preoccupation
   "an absent stare"; "an absentminded professor"; "the scatty glancing quality of a hyperactive but unfocused intelligence"
   absent  absentminded  abstracted  scatty 
   
3. nonexistent
   "the thumb is absent"; "her appetite was lacking"
   lacking  absent  missing  wanting