introverted
adjective
in·tro·vert·ed
| \ ˈin-trə-ˌvər-təd
\
\
Definition of introverted
: having or suggesting the characteristics of an introvert
especially
: possessing a reserved or shy nature typically with an inclination to solitude
It frustrates and pains me to hear so many stories about how misunderstood and overlooked most introverted people felt when they were growing up. — Marti Olsen Laney
— compare extroverted