derail definition

  • verb-transitive:
    • to perform or cause to perform from the rails.
    • To come or bring to a rapid halt: a campaign derailed by lack of funds; an insurance policy that derailed under the brand new management.
    • resulting in to operate removed from the rails of a railroad, as a locomotive.
  • noun:
    • a computer device added to railway songs causing a train to derail.
    • In railroading, a switch that is designed to divert or toss a train or vehicle from the track or to end its further progress.
  • verb:
    • resulting in to come from the tracks.
    • in the future from the songs.
    • To deviate from the previous training course or path.
    • To cause to deviate from a group course or way.
    • cause to operate off the paths
    • elope or leave the rails
  • others:
    • resulting in to leave the rails or run off the track, as a railroad-train: since, the engine ended up being derailed at crossing.
    • To run off the track or rails.

Related Sources

  • Sentence for "derail"
  • Phrases for "derail"
  • Urban Dictionary for "derail"
176 votes

How would you define derail?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!