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

Utilities have only reinforced that power by crushing potential competitors. — John Farrell, Time, 9 Nov. 2026

McKinsey’s more recent research reinforces this by noting that 73 percent of B2B decision makers are now willing to spend up to $50,000 in a single online transaction, which is up from 59 percent in the 2022 survey. — Arthur Zaczkiewicz, Footwear News, 9 Nov. 2026

In the strongest version of that system, the pieces reinforce one another. — Justin T. Pierce, MSNBC Newsweek, 9 Nov. 2026

At a time when giant decades-old franchises often struggle to recruit new fans, the last two Star Wars games reinforce the property's new direction in a medium that can reach more potential Padawans than any other. — Fran Ruiz, Space.com, 7 Nov. 2026