derailment

Variant of derail

transitive verb

to cause (a train, etc.) to go off the rails

Origin: Fr dérailler < dé-, from (see de-) + rail < OFr reille: see rail

intransitive verb

to go off the rails

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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