A train that has been derailed.
- An example of derail is when an obstacle forces a train to go off the tracks; derail the train.
- An example of derail is when you cut funding to a project and make it impossible to continue; derail the project.
Origin of derailFrench dérailler from dé-, from (see de-) + rail from Old French reille: see rail
intr. & tr.v.de·railed, de·rail·ing, de·rails
- To run or cause to run off the rails.
- To come or bring to a sudden halt: a campaign derailed by lack of funds; a policy that derailed under the new administration.
Origin of derailFrench dérailler dé- off ( from Old French de- ; see de- . ) rail rail ( from English; see rail 1. )
- A device placed on railway tracks causing a train to derail.
- The derail was placed deliberately so that the train would fall into the river.
(third-person singular simple present derails, present participle derailing, simple past and past participle derailed)
- To cause to come off the tracks.
- The train was destroyed when it was derailed by the penny.
- (intransitive) To come off the tracks.
- (intransitive) To deviate from the previous course or direction.
- The conversation derailed once James brought up politics.
- To cause to deviate from a set course or direction.
- The protesting students derailed the professor's lecture.
From French dérailler (“to go off the rails”).