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[nuh-ses-i-teyt] /nəˈsɛs ɪˌteɪt/
verb (used with object), necessitated, necessitating.
to make necessary or unavoidable:
The breakdown of the car necessitated a change in our plans.
to compel, oblige, or force:
The new wage demand will necessitate a price increase.
Origin of necessitate
1620-30; < Medieval Latin necessitātus, past participle of necessitāre to compel, constrain. See necessity, -ate1
Related forms
necessitation, noun
necessitative, adjective
prenecessitate, verb (used with object), prenecessitated, prenecessitating.
unnecessitated, adjective
unnecessitating, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for necessitate


verb (transitive)
to cause as an unavoidable and necessary result
(usually passive) to compel or require (someone to do something)
Derived Forms
necessitation, noun
necessitative, adjective
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
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Word Origin and History for necessitate

1620s, from Medieval Latin necessitatus, past participle of necessitare "to render necessary," from Latin necessitas (see necessity). Earlier verb in English was necessen (late 14c.). Related: Necessitated; necessitates; necessitating.

Online Etymology Dictionary, © 2010 Douglas Harper
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