adj.1. a. Going out or away; departing: an outgoing passenger train.
b. Retiring from or relinquishing a place, position, or office: the outgoing chairperson.
c. Addressed for sending: outgoing mail.
2. Sociable and responsive to others; friendly: a warm, outgoing personality.
3. Intended to be taken out, as from a restaurant: outgoing orders of Chinese food.