derail

From Wiktionary

Word parts[change]

de- + rail

Pronunciation[change]

Verb[change]

Plain form
derail

Third-person singular
derails

Past tense
derailed

Past participle
derailed

Present participle
derailing

  1. If a train derails, it leaves its tracks accidentally.
    The train was destroyed when it was derailed by the collision.
    Five people were injured after a train derailed in Winnipeg.

Related words[change]