Extroversion is defined as the quality of being outgoing and directing attention to things other than yourself.(noun)
When a person likes going out all the time and being the center of attention, this is an example of extroversion.
See extroversion in Webster's New World College Dictionary
Origin: GerPsychol. an attitude in which one's interest is directed to things outside oneself and to other persons rather than to oneself or one's experiences
Origin: altered < Ger extraversion < L extra- (see extra-) + ML versio, a turning < L versus: see verse
See extroversion in American Heritage Dictionary 4
Learn more about extroversion