[dee-reyl-muh nt]


the act or process of derailing.

Origin of derailment

1940–45; derail + -ment, or < French déraillement Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for derailment

Contemporary Examples of derailment

Historical Examples of derailment

Word Origin and History for derailment

1850, from French déraillement, from dérailler "to go off the rails" (see derail).

Online Etymology Dictionary, © 2010 Douglas Harper