Definition of "derailed" []

• Simple past tense and past participle of derail. (verb)

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• "Several others were injured after a train derailed from mud-flooded tracks."
• ""Two ways business plans for joint owners can become derailed is by either the death or disability of a partner," Spence says."
• "The Dover, N. J.-bound train derailed just west of the Penn Station platforms, near 11th Avenue."