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derail

From Wiktionary, the free dictionary

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English

WOTD – 13 January 2007
English Wikipedia has an article on:
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Etymology

From French dérailler (“to go off the rails”). Analyzable as de- +‎ rail.

Pronunciation

Noun

derail (plural derails)

  1. Synonym of derailer: A device placed on railway tracks in order to cause a train to derail.
    The derail was placed deliberately so that the train would fall into the river.
  2. An instance of diverting a conversation or debate from its original topic.

Verb

derail (third-person singular simple present derails, present participle derailing, simple past and past participle derailed)

  1. (transitive) To cause to come off the tracks.
    The train was destroyed when it was derailed by the collision.
    • 1940 November, “Notes and News: A Highland Collision”, in Railway Magazine, page 612:
      Among recommendations arising out of the accident were that greater attention should be devoted to the means of derailing runaways on lines so heavily graded as the Highland main line; were it double throughout, catch points would, of course, be laid in, but the catchpoint problem is a difficult one on a single line.
  2. (intransitive) To come off the tracks.
    • 2020 September 9, Paul Clifton, “Heavy rainfall causes landslip in Hampshire: At the scene...”, in Rail, page 10:
      Fortunately, the CrossCountry train did not derail when it struck the mud. It could easily have been much worse.
  3. (intransitive, figurative) To deviate from the previous course or direction.
    The conversation derailed once James brought up politics.
  4. (transitive, figurative) To cause to deviate from a set course or direction.
    The protesting students derailed the professor's lecture.
    • 1990 December 23, Nancy Avery et al., “Criminalizing Doctor-Patient Sex”, in Gay Community News, volume 18, number 23, page 5:
      Our offices are full of the walking wounded--people who are suicidal, have been hospitalized after the sexual involvement, unable to hold their usual jobs, derailed from intimate relationships, unable to get on with their lives as they once had planned.

Quotations

Synonyms

Derived terms

Descendants

  • → Welsh: direilio

Translations

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