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

Decades earlier, Atlanta had thrown its own enormous party, celebrating a fantasy of Southern womanhood while reinforcing the racial and social hierarchies of the real South—and conveniently leaving the horrors of slavery out of the picture. — Serena Turner, Vanity Fair, 3 Nov. 2026

The front will bring a reinforcing push of cooler air for Friday through the weekend, keeping temperatures near or slightly below seasonal averages. — Lauren Bostwick, CBS News, 3 Nov. 2026

International disruptions have reinforced the necessity of supply chain cooperation among democratic countries. — Lin Chia-Lung, Foreign Affairs, 3 Nov. 2026

Rather than opening a door to democratic rule, however, officials say the cleansing of the ranks only reinforces the party’s right to rule. — The Monitor's Editorial Board, Christian Science Monitor, 3 Nov. 2026