1650s, from Latin intro- "inward" (see intro-) + vertere "to turn" (see versus). The noun, "introverted person" (opposed to extrovert) is 1918, from German psychology, introduced there by C.G. Jung (1875-1961).
例文
1. The music students here are a very introvert lot.
ここで音楽を勉強している学生はみんなとても社交的ではありません。
2.That young man is an introvert .
あの若者は内向的な性格の人だ。
3.You are very much an introvert .
あなたは正真正銘の内向的な性格者です。
4.This usage makes the extrovert and the introvert seem to stand for opposed personality types.
この使い方は、外向者と内向者が反対の性格タイプを表しているように見える。
5.Unlike his brother Bob,he is an introvert ,isn 't he?