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preclude

[pri-klood]
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verb (used with object), pre·clud·ed, pre·clud·ing.
  1. to prevent the presence, existence, or occurrence of; make impossible: The insufficiency of the evidence precludes a conviction.
  2. to exclude or debar from something: His physical disability precludes an athletic career for him.

Origin of preclude

1610–20; < Latin praeclūdere to shut off, close, equivalent to prae- pre- + -clūdere, combining form of claudere to shut, close
Related formspre·clud·a·ble, adjectivepre·clu·sion [pri-kloo-zhuh n] /prɪˈklu ʒən/, nounpre·clu·sive [pri-kloo-siv] /prɪˈklu sɪv/, adjectivepre·clu·sive·ly, adverbun·pre·clud·a·ble, adjectiveun·pre·clud·ed, adjectiveun·pre·clu·sive, adjectiveun·pre·clu·sive·ly, adverb

Synonyms

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1. forestall; eliminate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for preclude

preclude

verb (tr)
  1. to exclude or debar
  2. to make impossible, esp beforehand
Derived Formsprecludable, adjectivepreclusion (prɪˈkluːʒən), nounpreclusive (prɪˈkluːsɪv), adjectivepreclusively, adverb

Word Origin

C17: from Latin praeclūdere to shut up, from prae in front, before + claudere to close
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for preclude

v.

1610s, from Latin praecludere "to close, shut off; hinder, impede," from prae- "before, ahead" (see pre-) + claudere "to shut" (see close (v.)). Related: Precluded; precluding.

Online Etymology Dictionary, © 2010 Douglas Harper