unrail

verb

1. (transitive)To remove the rail or railings from.

   ““You are tearing pickets from innocent fences,” said Town, and proceeded to unrail a respectable fence to procure weapons wherewith to “smash the'students' heads.””

2. (ambitransitive, figuratively, literally)To derail.

   “If this wanton attempt to unrail or overturn the engine had succeeded, eight lives would have been sacrificed.”

   “The high flange of the former serves to keep the wagon, ever inclined to unrail in the curve, in the rail, while the flat rail gives the required gauge.”

   “Are you trying to unrail a Reagan appointee?”

   “Notwithstanding evidence like that and so much others that we have raised, the fact of the matter is we still have people, it seems, within certain sectors of the administration who want to unrail the President's stated policy, a policy that he has stated both publicly and in private.”