Marked by interest in and behavior directed toward others or the environment as opposed to or to the exclusion of self; gregarious or outgoing: "the hearty and extroverted types who dominated public life in Boston” ( Thomas P. O'Neill, Jr.)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.