expression, ichidan verb
is dead; is lifeless
Describes the state of being dead; the result of dying. Often used for people, animals, or figuratively for things that are inactive or obsolete.
その猫はもう死んでいる。
That cat is already dead.
このプロジェクトは事実上死んでいる。
This project is effectively dead.
The ている form of 死ぬ (to die), expressing a continuing state resulting from the action.