verb (used with object), re·en·forced, re·en·forc·ing, noun
verb (used with object), re·in·forced, re·in·forc·ing.
to strengthen with some added piece, support, or material: to reinforce a wall.
to strengthen (a military force) with additional personnel, ships, or aircraft: to reinforce a garrison.
to strengthen; make more forcible or effective: to reinforce efforts.
to augment; increase: to reinforce a supply.
Psychology. to strengthen the probability of (a response to a given stimulus) by giving or withholding a reward.
something that reinforces.
a metal band on the rear part of the bore of a gun, where the explosion occurs.
Origin of reinforce
1590–1600; re-Related formsre·in·forc·er, nounself-re·in·forc·ing, adjectiveun·re·in·forced, adjective
alteration of enforce
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for reenforce
Historical Examples of reenforce
And a big diamond glinted as though to reenforce the remark.
There was no time even to call a single man of the Folk to reenforce him.
Dallas called, moving a kitchen table to reenforce the lock.
In order to reenforce the armies and to push the war through, there was plainly but one course to be followed—conscription.
Moreover, a new factor had come in to reenforce the soldier's instinctive preference for gentlemen over shopkeepers.
British Dictionary definitions for reenforce
Derived Formsreinforcement, noun
to give added strength or support to
to give added emphasis to; stress, support, or increasehis rudeness reinforced my determination
to give added support to (a military force) by providing more men, supplies, etc
psychol to reward an action or response of (a human or animal) so that it becomes more likely to occur again
Word Origin for reinforce
C17: from obsolete renforce, from French renforcer; see re- + inforce enforce
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 reenforce
c.1600, originally in military sense, from re- "again" + enforce (cf. re-enforce). Related: Reinforced; reinforcing.
Online Etymology Dictionary, © 2010 Douglas Harper
To give more force or effectiveness to something; strengthen.
To reward an individual, especially an experimental subject, with a reinforcer subsequent to a desired response or performance.
To stimulate a response by means of a reinforcer.
The American Heritage® Stedman's Medical Dictionary
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