absent absent /ˈæbsənt/

adjective

1. () Not being in a specified place  ( absent )
   not being in a specified place
     The absent student missed the important lecture.
   The absent student missed the important lecture.
   
2. Lost in thought; showing preoccupation  ( absent , abstracted , scatty [Informal, British] , absentminded )
   lost in thought; showing preoccupation
    An absent stare
   an absent stare
    An absentminded professor
   an absentminded professor
    The scatty glancing quality of a hyperactive but unfocused intelligence
   the scatty glancing quality of a hyperactive but unfocused intelligence
   
3. Nonexistent  ( absent , lacking , missing , wanting )
   nonexistent
    The thumb is absent
   the thumb is absent
    Her appetite was lacking
   her appetite was lacking
   

preposition

1. [ N. American] Not present; lacking.  ( absent [ N. American] , without )
   Not present; lacking.
   

verb

1. () Stay away or leave  ( absent , remove )
   stay away or leave
    He absented himself
   He absented himself