Definition of: aside

(ə·sīd′) adverb
1. On or to one side; apart; away.
2. Out of thought or use.
3. Away from the general company; in seclusion: He drew his friend aside to speak more intimately.
4. Away from one's person; down: He cast his weapon aside.
5. In reserve: Keep some aside for me.
—aside from
1. Excepting.
2. U.S. Apart from.
—to set aside Law To declare of no authority, as a verdict, judgment, etc.
—noun Something spoken privately, as a remark or speech by an actor supposed to be heard by the audience but not by the other actors. [<A-¹ on + SIDE]