1. 1. Going out or away; departing: an outgoing passenger train.
   2. Retiring from or relinquishing a place, position, or office: the outgoing chairperson.
   3. 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.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.