主しゅ語ごが大おおきい

expression, i-adjective

overgeneralizing; overly broad; sweeping

Used for statements, assumptions, or categories that are too broad and ignore important differences. Often carries a critical tone.

• 「若わか者ものはみんなスマホばかり見みている」というのは主しゅ語ごが大おおきい意い見けんだ。

  Saying 'young people are always on their phones' is an overgeneralization.

• その主しゅ張ちょうは主しゅ語ごが大おおきすぎて、説せっ得とく力りょくがない。

  That claim is too sweeping and lacks persuasiveness.