in modern psychology, 1915, a variant of extroverted (see extrovert). Related: Extravert (n.), for which also see extrovert. There was a verb extravert in mid- to late 17c. meaning "to turn outward so as to be visible," from Latin extra "outward" + vertere "to turn."
1. At any rate they have nothing to do with the extraverted Whitman of legend.
2. When the leading role process is an extraverted one, the supporting role process is introverted.