Inattentive to what is passing; absent-minded; preoccupied.
Not existing; lacking.
Being away from a place; withdrawn from a place; not present; missing.
Something absent, especially absent people collectively; those who were or are not there.
To keep (oneself) away.
Leave.
In the absence of; without; except.
Of an appropriate or pertinent nature.
by the way, incidental
To the purpose; appropriately.
By the way.
Timely; at a good time.
Regarding or concerning.