Absent
/ˈæb.sn̩t/
noun
(with definite article) Something absent, especially absent people collectively; those who were or are not there.
An absentee; a person who is not there.
adjective
Being away from a place; withdrawn from a place; not present; missing.
Not existing; lacking.
“The part was rudimental or absent.”
(sometimes comparable) Inattentive to what is passing; absent-minded; preoccupied.
preposition
In the absence of; without; except.
“Absent taxes modern governments cannot function.”