lonely, alone, loneliness, solitude
全く一人ぼっちにされて彼女はとても孤独で無力だと感じているに違いない。
Having been left completely alone, she must feel very lonely and helpless.
Sometimes, when we fight our battles alone, we end up treating each other that way.
— 落下の解剖学 (2023)
Fear, anxiety, loneliness, darkness—and then, perhaps, hope... hope?
— GHOST IN THE SHELL (1995)
Who says it’s a thoughtful complaint about Miss Sonian’s loneliness?
— オデッセイ (2015)