:not present at a usual or expected place :missing
- was absent from class today
- sharing memories of absent friends
- She was conspicously absent [=her absence was very noticeable] at the meeting.
:not existing :lacking
- … danger in a situation where power is absent …
- —M. H. Trytten
- a gene that occurs in mammals but is absent in birds
:showing a lack of attention to what is happening or being said :not attentive
- had an absent look on her face
He replied absently to her question.