衒げん学がく者しゃ

noun

pedant; bookworm

Refers to someone who shows off their knowledge or is overly absorbed in books and learning, often with a negative or mocking tone. The word is relatively rare and literary.

• 彼かれは衒げん学がく者しゃで、いつも難むずかしい言こと葉ばを使つかいたがる。

  He is a pedant who always wants to use difficult words.

• あの教きょう授じゅは衒げん学がく者しゃだと言いわれているが、実じっ際さいは深ふかい知ち識しきを持もっている。

  That professor is said to be a pedant, but in fact he has deep knowledge.