Derail (noun) Definition, Meaning & Examples

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verb (used with object)
  1. to cause (a train, streetcar, etc.) to run off the rails of a track.
  2. to cause to fail or become deflected from a purpose; reduce or delay the chances for success or development of: Being drafted into the army derailed his career for two years.
verb (used without object)
  1. (of a train, streetcar, etc.) to run off the rails of a track.
  2. to become derailed; go astray.
noun
  1. a track device for derailing rolling stock in an emergency.
verb
  1. to go or cause to go off the rails, as a train, tram, etc
noun
  1. a device designed to make rolling stock or locomotives leave the rails to avoid a collision or accident
Derail (noun) Definition, Meaning & Examples

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