noun
dead on arrival; DOA
Loanword from English, used in medical, emergency, or figurative contexts to indicate that someone or something was already beyond help upon arrival.
救急隊が到着したとき、患者はデッドオンアライバルだった。
When the paramedics arrived, the patient was dead on arrival.
その提案は会議でデッドオンアライバル
The proposal was dead on arrival at the meeting.