On or to one side; to or at a short distance; apart; away from some normal direction or position: as, to turn or stand aside; to draw a curtain aside.Apart or separately (from); in a state of withdrawal or exclusion (from).Out of one's thoughts, consideration, or regard; away; off: as, to lay aside one's animosity; to put one's cares aside.So as not to be heard by some one present: chiefly a dramatic use.By the side of; beside.n. Something spoken and not heard, or supposed not to be heard, by some one or more present; especially, a remark uttered by an actor on the stage, and assumed not to be heard by the other characters on the stage, or to be heard only by those for whom it is intended.