noun, noun which may take the genitive case particle 'no'
extroversion; outward orientation
Refers to a personality trait or attitude directed toward the outside world and other people. Often used in psychology or everyday descriptions of sociable behavior.
He has an extroverted personality and can quickly become friends with anyone.
Extroverted people tend to like parties.
外向 describes attention or personality directed outward, the opposite of 内向, which describes it turning inward.
Compound of 外 (outside) and 向 (direction, orientation). The reading がいこう follows standard on'yomi.