From Latin 'intro-' (inward) + 'vertere' (to turn) — Carl Jung made it a cornerstone of personality psychology in the 1920s.
A shy, reticent person whose thoughts and interests are directed inward (noun/adjective); to turn inward, especially to direct one's thoughts and feelings inward (verb).
Coined in the mid-17th century from Latin 'intrō-' (inward, to the inside) and 'vertere' (to turn). Originally a rare technical term meaning 'to turn inward' in a physical or spiritual sense. Carl Jung transformed the word in his 1921 work 'Psychologische Typen' (published in English 1923), defining the introvert as a personality type whose energy is directed inward toward the self, as opposed
Carl Jung, who popularized 'introvert' and 'extrovert' in the 1920s, did not consider introversion a flaw. He described it as a fundamental orientation of psychic energy inward, equally valid as extraversion. The modern stereotype of introverts as antisocial is a distortion of Jung's original concept, which emphasized depth of inner experience