(1):
(adv.) From a place; hence.
(2):
(adv.) Absent; gone; at a distance; as, the master is away from home.
(3):
(adv.) Aside; off; in another direction.
(4):
(adv.) From a state or condition of being; out of existence.
(5):
(adv.) By ellipsis of the verb, equivalent to an imperative: Go or come away; begone; take away.
(6):
(adv.) On; in continuance; without intermission or delay; as, sing away.