- the act of directing one's interest outward or to things outside the self.
- the state of being concerned primarily with things outside the self, with the external environment rather than with one's own thoughts and feelings.Compare introversion(def 3).
- extrinsic sphincter,
Origin of extroversion
Word Origin for extroversion
mid-17c., "condition of being turned inside out," noun of action from obsolete verb extrovert (v.) "to turn inside out," from extro- + Latin vertere (see versus). Earliest as a word in mysticism; pathological sense attested from 1836; modern use in psychology attested by 1920.