Meaning

noun (psychology) a person concerned more with practical realities than with inner thoughts and feelings

adjective being concerned with the social and physical environment

originAlteration of earlier extravert (by influence of introvert), from German Extravert, popularized in psychology by Phyllis Blanchard's 1918 "Psycho-Analytic Study of August Comte". By surface analysis, extro- + -vert.

Etymology from Wiktionary, CC BY-SA 3.0