ずくがない

expression, i-adjective

unmotivated; lacking drive; unenthusiastic

Describes a person who lacks the energy or will to do something, often used in casual or dialectal speech. The word ずく itself is a dialectal or colloquial term for motivation or initiative.

• 最さい近きんずくがなくて、何なにもする気きになれない。

  Lately I've been unmotivated and can't bring myself to do anything.

• 彼かれはずくがないから、誘さそっても来こないよ。

  He's so unenthusiastic that even if you invite him, he won't come.