1. I〔緩んでいること〕
    • このブラウスはわきの下の緩みが少ない
    • This blouse is a little too tight under the arms.
    • 綱の緩みを引き締める
    • pull in the slack of a rope
  1. II〔厳しくないこと〕
    • 気の緩みがその事故を招いた
    • His carelessness caused the accident./The accident occurred because he was not paying enough attention.