intransitive. Of a machine, gun, etc.: To become unworkable through the wedging, sticking, or displacement of some movable part.

To be beyond hope or repair; to be ruined, finished; spec. to have been killed, to be dead. Also in hyperbolic uses: to be past one's best; to be in…

intransitive. Of a device, machine, or installation, esp. a nuclear reactor: to cease to operate.