expression, ichidan verb
be completely disgusted with; be absolutely fed up with; run out of patience with
Emphatic expression meaning one's goodwill or patience has been completely exhausted, often after repeated disappointments. Stronger than the base phrase 愛想が尽きる.
See also: 愛想が尽きる
彼の無責任な態度には愛想も小想も尽き果てた。
I am completely fed up with his irresponsible attitude.
Having been let down so many times, I've absolutely run out of patience.