absent
1. [ adjective ] not in a specified place physically or mentally
Related terms: present away lacking introuvable truant devoid presence
2. [ verb ] go away or leave
Synonyms: remove
Examples:

"He absented himself"

Related terms: disappear absentee
3. [ adjective ] lost in thought; showing preoccupation
Synonyms: absentminded scatty abstracted
Examples:

"an absent stare" "an absentminded professor" "the scatty glancing quality of a hyperactive but unfocused intelligence"

Related terms: inattentive
Similar spelling:   absently
  absentee
  abashment
  abasement
  absinth
  absence
  absinthe
  abysm