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requisite

[rek-wuh-zit]
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adjective
  1. required or necessary for a particular purpose, position, etc.; indispensable: the requisite skills of an engineer.
noun
  1. something requisite; a necessary quality, thing, etc.

Origin of requisite

1425–75; late Middle English < Latin requīsītus past participle of requīrere to seek; see require, -ite2
Related formsreq·ui·site·ly, adverbreq·ui·site·ness, nounnon·req·ui·site, adjective, nounnon·req·ui·site·ly, adverbnon·req·ui·site·ness, nounun·req·ui·site, adjectiveun·req·ui·site·ly, adverbun·req·ui·site·ness, noun

Synonyms

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1. needed, needful. See necessary. 2. necessity. See requirement.

Antonyms

1. dispensable. 2. luxury.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for non-requisite

requisite

adjective
  1. absolutely essential; indispensable
noun
  1. something indispensable; necessity
Derived Formsrequisitely, adverbrequisiteness, noun

Word Origin

C15: from Latin requisītus sought after, from requīrere to seek for, require
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 non-requisite

requisite

adj.

mid-15c., from Latin requisitus, past participle of requirere (see require). As a noun from c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper