derail

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de·rail

 (dē-rāl′)
intr. & tr.v. de·railed, de·rail·ing, de·rails
1. To run or cause to run off the rails.
2. To come or bring to a sudden halt: a campaign derailed by lack of funds; a policy that derailed under the new administration.

[French dérailler : dé-, off (from Old French de-; see de-) + rail, rail (from English; see rail1).]

de·rail′ment n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

derail

(dɪˈreɪl)
vb
(Railways) to go or cause to go off the rails, as a train, tram, etc
n
(Railways) chiefly Also called: derailer US a device designed to make rolling stock or locomotives leave the rails to avoid a collision or accident
deˈrailment n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

de•rail

(diˈreɪl)

v.t.
1. to cause (a train, streetcar, etc.) to run off the rails of a track.
2. to cause to be deflected from a purpose or direction, permanently or temporarily: A skiing accident derailed her dancing career.
v.i.
3. to run off the rails of a track.
4. to become derailed; go astray.
[1840–50; < French dérailler=dé- dis-1 + -railler, v. derivative of rail rail1 (< E)]
de•rail′ment, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

derail


Past participle: derailed
Gerund: derailing

Imperative
derail
derail
Present
I derail
you derail
he/she/it derails
we derail
you derail
they derail
Preterite
I derailed
you derailed
he/she/it derailed
we derailed
you derailed
they derailed
Present Continuous
I am derailing
you are derailing
he/she/it is derailing
we are derailing
you are derailing
they are derailing
Present Perfect
I have derailed
you have derailed
he/she/it has derailed
we have derailed
you have derailed
they have derailed
Past Continuous
I was derailing
you were derailing
he/she/it was derailing
we were derailing
you were derailing
they were derailing
Past Perfect
I had derailed
you had derailed
he/she/it had derailed
we had derailed
you had derailed
they had derailed
Future
I will derail
you will derail
he/she/it will derail
we will derail
you will derail
they will derail
Future Perfect
I will have derailed
you will have derailed
he/she/it will have derailed
we will have derailed
you will have derailed
they will have derailed
Future Continuous
I will be derailing
you will be derailing
he/she/it will be derailing
we will be derailing
you will be derailing
they will be derailing
Present Perfect Continuous
I have been derailing
you have been derailing
he/she/it has been derailing
we have been derailing
you have been derailing
they have been derailing
Future Perfect Continuous
I will have been derailing
you will have been derailing
he/she/it will have been derailing
we will have been derailing
you will have been derailing
they will have been derailing
Past Perfect Continuous
I had been derailing
you had been derailing
he/she/it had been derailing
we had been derailing
you had been derailing
they had been derailing
Conditional
I would derail
you would derail
he/she/it would derail
we would derail
you would derail
they would derail
Past Conditional
I would have derailed
you would have derailed
he/she/it would have derailed
we would have derailed
you would have derailed
they would have derailed
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.derail - cause to run off the tracks; "they had planned to derail the trains that carried atomic waste"
countermine, sabotage, undermine, weaken, subvert, counteract - destroy property or hinder normal operations; "The Resistance sabotaged railroad operations during the war"
2.derail - run off or leave the rails; "the train derailed because a cow was standing on the tracks"
go, locomote, move, travel - change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

derail

verb prevent, stop, block, check, frustrate, hamper, foil, inhibit, avert, thwart, obstruct, impede, forestall, nip in the bud a fear that any reform could be derailed by hard-liners
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations

derail

[dɪˈreɪl]
A. VThacer descarrilar
B. VIdescarrilar
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

derail

[diːˈreɪl] vt
[+ train] → faire dérailler
to be derailed → dérailler
(= throw off course) [+ plan, negotiations] → faire avorter
to be derailed [plan] → être mis(e) en échec
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

derail

vtzum Entgleisen bringen, entgleisen lassen; (fig) plan, negotiationsscheitern lassen; to be derailedentgleisen
vientgleisen
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

derail

[dɪˈreɪl] vtfar deragliare
to be derailed → deragliare
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Railway routes, as of reporting time, were suspended even after three hours have passed since the derailing incident.
Ruto told those politicizing the Government's agenda with the intention of derailing its implementation for political gains that their mission would not succeed.
When Kaifiyat express was passing by Ochalda and Patra station, by gate number 14 then a dumper collided with the train, derailing it with the engine and six coaches.
Indian prime minister Narendra Modi said: "Anguished beyond words on the loss of lives due to the derailing of the Patna-Indore express."