BOUNDARY Synonyms: 65 Similar and Opposite Words

boundary

noun

ˈbau̇n-d(ə-)rē

Definition of boundary

as in limit

a real or imaginary point beyond which a person or thing cannot go parents have to set boundaries for their children, and the children want them to

Synonyms & Similar Words

Relevance

as in perimeter

the line or relatively narrow space that marks the outer limit of something that chalk line marks the boundary of our playing field

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of boundary For Cyrus, that’s meant stretching the boundaries of pop music and, by proxy, pop stardom. — Steven J. Horowitz, Variety, 17 Oct. 2026 The researchers found that representing this zone as several kilometers wide, rather than as a narrow boundary, helped their model reproduce the observed retreat and thinning from 1996 to 2023. — Kaif Shaikh, Interesting Engineering, 17 Oct. 2026 The psychedelic blurring of genre boundaries plays off the titular concept, which, says Grian Chatten in press materials, describes the environment of the album itself. — Jazz Monroe, Pitchfork, 16 Oct. 2026 But waiting for quantum maturity before designing for its convergence risks enterprises architecting for yesterday’s business boundaries. — Rajjie Sarmey, Forbes.com, 16 Oct. 2026 See All Example Sentences for boundary

Recent Examples of Synonyms for boundary

Noun

Several bills have been introduced to give cities direct authority to limit AV fleet sizes, restrict operating hours, or enact local permit bans within municipal limits.

— Andrew Hawkins, The Verge, 18 Oct. 2026
Anthropic wants Congress to set strict limits on when federal authorities can stop advanced AI models from reaching users.

— Aamir Khollam, Interesting Engineering, 17 Oct. 2026

Definition of limit

Noun

An invite-only Rocket Variant replaces standard features with a single-seat configuration and perimeter thrusters for true flight, rendering it non-road-legal.

— Mrigakshi Dixit, Interesting Engineering, 16 Oct. 2026
Bouquets of flowers, candles and toys line the crosswalk outside the police perimeter in tribute to the victims.

— Holly Yan, CNN Money, 16 Oct. 2026

Definition of perimeter

Noun

Joshi and other doctors are calling for additional training to help surgeons understand how AI alters facial images, its anatomical limitations and its potential psychological effects on patients.

— Amy O’Brien, Vogue, 13 Oct. 2026
The new definition, developed by an international panel of medical experts convened by the medical journal The Lancet, requires evidence of both excess body fat and related health problems or limitations in daily activities.

— Khloe Quill, FOXNews.com, 13 Oct. 2026

Definition of limitation

Noun

Yet, as in many speculative markets, sophisticated participants often have access to better information, stronger analytical tools and more advanced risk-management techniques than retail participants, giving them an informational edge.

— Aneri Jambusaria, Fortune, 18 Oct. 2026
The eastern edge of the park is the north-south alley that serves businesses along Laramie.

— Edward Keegan, Chicago Tribune, 18 Oct. 2026

Definition of edge

Noun

However, these targets refer to the robot-building process described in the video and do not establish a production-line output rate or a timeline for commercial deliveries.

— Jijo Malayil, Interesting Engineering, 15 Oct. 2026
The line opens at $228 and goes up to $448 and includes insulated jackets and vests, fleece hoodies, leggings, quarter-zip mocknecks and joggers.

— Jean E. Palmieri, Footwear News, 15 Oct. 2026

Definition of line

Noun

Ukrainian drones killed a woman in a Russian border region and disrupted flights at Moscow's airports, according to Russian authorities.

— Arkansas Online, Arkansas Online, 18 Oct. 2026
His income will be augmented by a deal to help control Haiti’s porous border with the Dominican Republic for the next 10 years in return for 10% of any new customs revenue collected.

— Nick Paton Walsh, CNN Money, 17 Oct. 2026

Definition of border

Noun

The small, irregular pearls appeared around the armholes of a long and lean mesh dress, and as the delicate edging on a beautiful citron yellow flapper dress with sheer panels.

— Martino Carrera, Footwear News, 28 Sep. 2026
After spending eight hours Sunday cutting, edging, shredding, digging and ripping at things in the yard and in the garage, my advice to younger readers is to invest in high-quality tools.

— Joe Kinsey OutKick, FOXNews.com, 24 Aug. 2026

Definition of edging

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boundaries

boundary

bounded

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“Boundary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boundary. Accessed 20 Oct. 2026.

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Synonyms of boundary

noun

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