Definitions
1.nounAn act or instance of adding.
2.nounAn additional enemy that joins a fight after the primary target."When the player has fought the boss for one minute, two adds will arrive from the back and must be dealt with."
3.verbTo join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity or enlarge the magnitude, or so as to form into one aggregate.
4.verbTo sum up; to put together mentally."to add numbers"
5.verbTo combine elements of (something) into one quantity."to add a column of numbers"
6.verbTo give by way of increased possession (to someone); to bestow (on).
7.verbTo append (e,g, a statement); to say further information.
8.verbTo make an addition; to augment; to increase."It adds to our anxiety."
9.verbTo perform the arithmetical operation of addition."He adds rapidly."
10.verbTo summon minions or reinforcements."Typically, a hostile mob will add whenever it's within the aggro radius of a player."