Resignation; giving up or accepting that something cannot be done. (Noun form; verb = 諦める.)
彼の諦めは早すぎると思う。
I think he gives up too easily.
諦めをつけて新しい道を探すことにした。
I decided to let go and look for a new path.
諦めが肝心な場面もあるが、まずは挑戦すべきだ。
There are times when acceptance is important, but you should try first.
失敗しても、諦めずにやり直せば道は開ける。
Even if you fail, if you don't give up and try again, doors will open.