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derail

/ˌdiˈɹeɪl/ verb C2
  1. To cause to come off the tracks. (transitive) · The train was destroyed when it was derailed by the collision.
  2. To come off the tracks. (intransitive)
  3. To deviate from the previous course or direction. (figuratively, intransitive) · The conversation derailed once James brought up politics.
  4. To cause to deviate from a set course or direction. (figuratively, transitive) · The protesting students derailed the professor's lecture.

He/she/it derails · Past derailed · Past participle derailed · -ing form derailing

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Verb forms

Base form
derail
He/she/it
derails
Past
derailed
Past participle
derailed
-ing form
derailing

From the library

What upheaval can possibly have derailed him?”
Sherlock Holmes: The Bruce-Partington Plans, p. 2 · B2

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.