- to give added strength or support to
- to give added emphasis to; stress, support, or increase: his rudeness reinforced my determination
- to give added support to (a military force) by providing more men, supplies, etc
WordReference Random House Learner's Dictionary of American English © 2026
re•in•force or re•en•force /ˌriɪnˈfɔrs/USA pronunciation
v. [~ + object], -forced, -forc•ing.
WordReference Random House Unabridged Dictionary of American English © 2026- to strengthen with some added piece, support, or material:to reinforce a wall.
- to make more forceful or effective;
strengthen;
support:to reinforce the law. - to strengthen (a military force) with additional soldiers, ships, aircraft, etc.
- PsychologyPsychol. to strengthen the likelihood of (a desired way of behaving) by giving or withholding a reward.
re•in•force
(rē′in fôrs′, -fōrs′),USA pronunciation v., -forced, -forc•ing, n.
v.t.
n.
re′in•forc′er, n.
v.t.
- 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. - Psychologyto strengthen the probability of (a response to a given stimulus) by giving or withholding a reward.
n.
- something that reinforces.
- a metal band on the rear part of the bore of a gun, where the explosion occurs.
- re- + inforce, alteration of enforce 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers::
reinforce /ˌriːɪnˈfɔːs/ vb (transitive)
'reinforced' also found in these entries (note: many are not synonyms or translations):
blockhouse
- bunker
- composite
- culture
- ferroconcrete
- flak jacket
- formwork
- hard
- icebreaker
- interlining
- International Style
- joist
- Nervi
- pillbox
- provost
- raft
- reinforce
- reinforced concrete
- reinforced plastic
- toecap
- trestle
- tyre
- alone
- antigodlin
- backsaw
- batter
- bead
- beefed-up
- block house
- blue jeans
- bomb shelter
- box frame
- bulkhead
- bullshit
- cape
- chair
- channel
- chintzy
- chuck
- concrete
- cuff
- cup
- dink
- doublet
- drape
- drop
- false
- fever
- flatter
- flitch beam