reinforce

[ ree-in-fawrs, -fohrs ]
See synonyms for: reinforcereinforcedreinforcesreinforcing on Thesaurus.com

verb (used with object),re·in·forced, re·in·forc·ing.
  1. to strengthen with some added piece, support, or material: to reinforce a wall.

  2. to strengthen (a military force) with additional personnel, ships, or aircraft: to reinforce a garrison.

  1. to strengthen; make more forcible or effective: to reinforce efforts.

  2. to augment; increase: to reinforce a supply.

  3. Psychology. to strengthen the probability of (a response to a given stimulus) by giving or withholding a reward.

noun
  1. something that reinforces.

  2. a metal band on the rear part of the bore of a gun, where the explosion occurs.

Origin of reinforce

1
First recorded in 1590–1600; re- + inforce, alteration of enforce
  • Also re·en·force, re-en·force [ree-uhn-fawrs, -fohrs] /ˌri ənˈfɔrs, -ˈfoʊrs/ .

Other words from reinforce

  • re·in·forc·er, noun
  • self-re·in·forc·ing, adjective
  • un·re·in·forced, adjective

Words Nearby reinforce

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use reinforce in a sentence

  • So the first question has been whether to reinforce Gaba Tepe from Helles or vice versa.

  • In 1807, however, he was called up to reinforce the Grand Army in time to take part in the decisive battle at Friedland.

    Napoleon's Marshals | R. P. Dunn-Pattison
  • With Lannes and Mortier sent to reinforce him, it was still more difficult to show patience.

    Napoleon's Marshals | R. P. Dunn-Pattison
  • Napoleon's failure to reinforce Massna left the situation before Lisbon precarious.

    The Life of Napoleon Bonaparte | William Milligan Sloane
  • And would you like to reinforce one battalion, in case of attack, by another battalion?

British Dictionary definitions for reinforce

reinforce

/ (ˌriːɪnˈfɔːs) /


verb(tr)
  1. to give added strength or support to

  2. to give added emphasis to; stress, support, or increase: his rudeness reinforced my determination

  1. to give added support to (a military force) by providing more men, supplies, etc

  2. psychol to reward an action or response of (a human or animal) so that it becomes more likely to occur again

Origin of reinforce

1
C17: from obsolete renforce, from French renforcer; see re- + inforce enforce

Derived forms of reinforce

  • reinforcement, noun

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