- 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.
Also reenforce, re-enforce.
Origin of reinforce
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for reinforce
No precautions have been taken to reinforce the ceilings, which could collapse onto the statues.Florence Preps ‘David’ for the Big One
Barbie Latza Nadeau
December 25, 2014
But there are dozens of new gadgets that reinforce the idea that knowledge is power.Nothing Says I Love You Like Data
The Daily Beast
December 8, 2014
We need to reinforce the message that decision-making, the power of choices, is also important.A Black Cop’s Tough Words for Mike Brown
Mary M. Chapman
December 3, 2014
“In order to reinforce and ensure safety in the municipality,” she wrote.Mexico’s First Lady of Murder Is on the Lam
October 29, 2014
We wanted to reinforce the fact that we were there to help these women.The Only Thing More Terrifying Than Ebola Is Being Pregnant With Ebola
Kent Sepkowitz, Abby Haglage
October 2, 2014
Then there came upon him to reinforce this want a burning sense of defeat.The Spenders
Harry Leon Wilson
A regiment which had left Fort Colburne was said to be on the road to reinforce them.Ridgeway
He advised that the Guides should be called up to reinforce the brigade.The Story of the Malakand Field Force
Sir Winston S. Churchill
The First brigade had been ordered to reinforce its picket line.
Devin came up next and was put on the line to reinforce Gibbs.
- 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
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 reinforce
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 Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.