Definitions

reinforce

[ree-in-fawrs, -fohrs] / ˌri ɪnˈfɔrs, -ˈfoʊrs /

VERB

strengthen, augment

Synonyms

STRONGEST

add to bolster boost build up buttress emphasize enlarge fortify increase shore up stress support underline

STRONG

carry energize harden hype multiply prop stiffen stroke supplement sustain toughen

WEAK

add fuel to fire back up beef up heat up lend a hand pick up pillar prop up punch up soup up stand up for

Antonyms

STRONGEST

decrease diminish discourage hinder hurt lessen let down play down prevent reduce undermine weaken

STRONG

liquefy melt soften

WEAK

subtract take away

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And we have launched a national billboard campaign to reinforce our messaging and outreach.

From Salon • Jun. 8, 2026

The consortium said Saturday the deal would “preserve a highly competitive ecosystem and reinforce the sector’s long-term capacity to invest, innovate and anticipate major technological changes.”

From The Wall Street Journal • Jun. 7, 2026

"Instead, they chose a response that will likely reinforce the stereotypes they should be working to change."

From BBC • Jun. 6, 2026

"This detection should not cause panic, but it should reinforce the importance of awareness."

From Barron's • Jun. 4, 2026

I reinforce with my other hand so I don’t drop it.

From "I'll Give You the Sun" by Jandy Nelson

Vocabulary lists containing reinforce

The SAT: Language of the Test, List 2

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The Language of Standardized Tests, List 2

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The ACT: The Language of the Test, List 2

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!