derail

verb

de·​rail di-ˈrāl How to pronounce derail (audio)
dē-
derailed; derailing; derails

transitive verb

1
: to cause to run off the rails
2
a
: to obstruct the progress of : frustrate
security problems derailed the tour
b
: to upset the stability or composure of
divorce … can seriously derail an employeeJoanne Gordon

intransitive verb

: to leave the rails
derailment noun

Examples of derail in a Sentence

The train derailed in heavy snow. The train was derailed by heavy snow.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Mark Zuckerberg and Meta's bid to power artificial intelligence systems with nuclear energy has apparently been derailed by a species of rare bees. Thomas G. Moukawsher, Newsweek, 5 Nov. 2024 Trump has promised to enact sweeping tariffs on imports that would ignite trade wars, which could raise costs and derail overseas sales for Boeing, while the defense budget and arms exports could be threatened. Danielle Chemtob, Forbes, 4 Nov. 2024 In Pittsburgh, Trump delivered what his campaign aides described as his closing argument after his previous attempt — a mass rally at Madison Square Garden in New York — was derailed by crude and racist jokes. Darlene Superville, Twin Cities, 4 Nov. 2024 That herculean effort injured his right foot and derailed the team's season. Rohan Nadkarni, NBC News, 31 Oct. 2024 See all Example Sentences for derail 

Word History

Etymology

French dérailler to throw off the track, from dé- de- + rail, from English

First Known Use

1850, in the meaning defined at transitive sense 1

Time Traveler
The first known use of derail was in 1850

Dictionary Entries Near derail

Cite this Entry

“Derail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/derail. Accessed 28 Nov. 2024.

Kids Definition

derail

verb
de·​rail di-ˈrā(ə)l How to pronounce derail (audio)
: to cause to run off the rails
a train derailed by heavy snow
derailment noun

More from Merriam-Webster on derail

Last Updated: - Updated example sentences
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