expression, i-adjective
blameless; faultless; perfect; above reproach
Used to describe something so well done that no one can find fault with it. Often used in praise or to express complete satisfaction.
彼の仕事ぶりは文句の付けようがない。
His work is beyond reproach.
この料理は文句の付けようがないほど美味しい。
This dish is so delicious it's faultless.