Synonyms of buttressing

buttressing

verb

present participle of buttress

1

as in sustaining

to hold up or serve as a foundation for

a brace buttressed the wall

Synonyms & Similar Words

• sustaining
• supporting
• carrying
• bolstering
• upholding
• staying
• bracing
• underpinning
• undergirding
• bearing
• underlying
• propping (up)
• shoring (up)
• steadying
• trussing

2

as in reinforcing

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

a mass of circumstantial evidence buttresses the prosecutor's case

Synonyms & Similar Words

• reinforcing
• bolstering
• supporting
• proving
• corroborating
• backing
• confirming
• establishing
• substantiating
• verifying
• shoring (up)
• affirming
• validating
• avouching

Antonyms & Near Antonyms

• undermining
• weakening
• undercutting

Example Sentences

Recent Examples of buttressing

The second phase started Tuesday as crews began reinforcing the slope by buttressing it at the base and armoring it with rocks to hinder slope movement and erosion. — Summer Lin, Los Angeles Times, 20 Oct. 2026

Veteran starter Lucas Giolito joined the organization last week, buttressing a shallow rotation. — Dennis Lin, New York Times, 27 Apr. 2026

The competition with China will hinge not on mimicking Beijing’s methods but on buttressing the core strengths of the United States. — Lael Brainard, Foreign Affairs, 10 Nov. 2025

Traffic among higher-income shoppers has grown, Kempczinski added, buttressing the company’s revenue. — Max Zahn, ABC News, 7 Nov. 2025

The upstream glaciers, now without their buttressing support, flow faster toward the sea. — Evan Howell, Quanta Magazine, 20 Oct. 2025

Any good Marxist can tell you that the ruling class of any nation will frequently make social concessions as a way of buttressing its brute political power with moral credibility. — Book Marks august 7, Literary Hub, 7 Aug. 2025