Loss
Forfeit
noun, verbal noun
You are mourning your fault. Because of your fault, you have gotten a loss and forfeit.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
介護施設に、どうやら記憶喪失らしいお婆さんがいるんだけど、その人がすっごく面白いのよ。
In the nursing home there is an old woman who seems to have lost her memory, but she is really funny.