Synonyms of reinforce

reinforce

verb

ˌrē-ən-ˈfȯrs 

variants also reenforce

as in to bolster

to provide evidence or information for (as a claim or idea)

letters of recommendation that reinforced the committee's opinion of the candidate

Synonyms & Similar Words

• bolster
• prove
• support
• confirm
• corroborate
• buttress
• establish
• back
• substantiate
• verify
• shore (up)
• affirm
• validate
• avouch

Antonyms & Near Antonyms

• undermine
• weaken
• undercut

Example Sentences

Recent Examples of reinforce

Beyond business, Cosmoprof Asia will reinforce its commitment to social impact through Boutique, its charity initiative supporting Her Fund. — Advertorial, Footwear News, 29 Sep. 2026

The current situation in and around the Persian Gulf reinforces that tension because the threats facing Saudi Arabia are increasingly difficult to separate into discrete categories. — John Calabrese, The Conversation, 29 Sep. 2026

Walls can also be reinforced during a remodel so bars can be installed securely down the road. — Ryan Brennan, Charlotte Observer, 29 Sep. 2026

While helpful, these readouts can reinforce organizational boundaries and spend too much time looking backward. — Michael Londgren, Forbes.com, 29 Sep. 2026