derail

1. noun /dəˈreɪl,ˌdiːˈreɪl/
A device placed on railway tracks causing a train to derail.

The derail was placed deliberately so that the train would fall into the river.

2. verb /dəˈreɪl,ˌdiːˈreɪl/
a) To cause to come off the tracks.

The train was destroyed when it was derailed by the penny.

b) To come off the tracks.

The conversation derailed once James brought up politics.


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  • derail — UK US /dɪˈreɪl/ verb [T] ► to stop something from succeeding: »Investors are very concerned that a new crisis could derail the economic recovery. »Analysts identified five factors which could derail the hi tech markets …   Financial and business terms

  • Derail — Derail, Dérail Nom surtout porté en Haute Loire. Variantes : Déraille, Deyrail, Dairail. Désigne celui qui est originaire d un lieu dit Eyral, Eyrail (= terre en friche), mais je n arrive pas à le situer dans cette région. Le toponyme est par… …   Noms de famille

  • Derail — De*rail , v. t. [imp. & p. p. {Derailed}; p. pr. & vb. n. {Derailing}.] To cause to run off from the rails of a railroad, as a locomotive. Lardner. [1913 Webster] …   The Collaborative International Dictionary of English

  • derail — index dislocate Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • derail — 1850, in both trans. and intrans. senses, from Fr. dérailler to go off the rails, from de (see DE (Cf. de )) + railler (see RAIL (Cf. rail)). In general use first in U.S. Related: Derailed; derailing …   Etymology dictionary

  • derail — ► VERB 1) cause (a train) to leave the tracks. 2) obstruct (a process) by diverting it from its intended course. DERIVATIVES derailment noun …   English terms dictionary

  • derail — [dē rāl′] vt. [Fr dérailler < dé , from (see DE ) + rail < OFr reille: see RAIL1] to cause (a train, etc.) to go off the rails vi. to go off the rails derailment n …   English World dictionary

  • Derail — Not to be confused with Derailment. Derail device installed at an industry, complete with Blue Flag protection A derail or derailer is a device used to prevent fouling of a track by unauthorized movements of trains or unattended rolling stock. It …   Wikipedia

  • derail — verb Derail is used with these nouns as the subject: ↑train Derail is used with these nouns as the object: ↑career, ↑effort, ↑election, ↑plan, ↑train …   Collocations dictionary

  • derail — [[t]di͟ːre͟ɪl[/t]] derails, derailing, derailed 1) VERB To derail something such as a plan or a series of negotiations means to prevent it from continuing as planned. [JOURNALISM] [V n] The present wave of political killings is the work of people …   English dictionary

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