expression, godan verb (-ku)
resign oneself; accept; give up
Colloquial expression meaning to come to terms with a situation, accept defeat, or stop resisting emotionally. Often used when one finally lets go of hope or resistance. Compare with the more standard 諦めがつく.
See also: 諦めがつく
もう諦めついたよ。
I've already resigned myself to it.
Even if I lose, I can't accept it.