A complaint, objection, or fault. Commonly used in negative constructions (e.g. '申し分ない' = 'no fault').
料理は申し分なく美味しかった。
The food was perfect/no complaints; very delicious.
提出した資料に申し分はありませんか？
Is there any problem with the submitted documents?
One's claim or what one has to say; someone's statement or argument.
まずは相手の申し分を聞いてから判断しよう。
Let's hear the other party's side first and then decide.
彼にはやむを得ない申し分があるようだ。
It seems he has an understandable grievance.