1. To administer or to dispense a part of something: Several players were dealt severe penalties for their excessively rough behavior.
2. To divide or to give among several individuals: Hans was dealing out the cards for the poker game.
3. To inflict, to give, or to deliver: The boxer dealt his opponent a blow to the jaw.
4. Buying and selling such things as drugs, art works, etc.: A girl was caught dealing drugs at the high school.