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

Long-term innovation emerges not from isolated projects but from ecosystems in which universities, government laboratories, federal agencies and industry play distinct but mutually reinforcing roles. — H. Christopher Frey, The Conversation, 7 Aug. 2026

Following those incidents, the museum reinforced its security systems this past spring, notably with the installation of more cameras. — Devorah Lauter, ARTnews.com, 7 Aug. 2026

The antenna's shape is also reinforced with flexible fiberglass tape springs and a lightweight structure. — Chelsea Gohd, Space.com, 7 Aug. 2026

But the comeback for stocks like networking cable maker Corning and chipmaker Intel didn't stop there because the news that followed reinforced the notion that the AI buildout is alive and well. — Kevin Stankiewicz, CNBC, 7 Aug. 2026