(1):

(a.) Not existing; lacking; as, the part was rudimental or absent.

(2):

(v. t.) To take or withdraw (one's self) to such a distance as to prevent intercourse; - used with the reflexive pronoun.

(3):

(v. t.) To withhold from being present.

(4):

(a.) Inattentive to what is passing; absent-minded; preoccupied; as, an absent air.

(5):

(a.) Being away from a place; withdrawn from a place; not present.