boundary

noun

ˈbau̇n-d(ə-)rē How to pronounce boundary (audio)
Definition of boundarynext
1
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

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2
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 But at this point in her career, Spiro could greatly benefit from having collaborators who can urge her to push past the boundaries that hold her just out of reach on Visitor. — Larisha Paul, Rolling Stone, 3 July 2026 Udara and Kamindu counterattacked against the four West Indies quicks at nearly five runs per over and Udara completed his half-century off 59 balls with his eighth boundary. — ABC News, 3 July 2026 His companies have redrawn the boundaries of multiple economic fields—the automotive industry, the aerospace sector, satellite communications—and his direct influence has helped transform the world’s most powerful government. — Mark O’Connell, The New York Review of Books, 4 July 2026 Portions of the Pike-San Isabel National Forests are also closed because of the fire, with rough boundaries of Eagle County to the north, Leadville and Willow Creek to the east, Halfmoon Creek to the south and Pitkin County to the west. — Katie Langford, Denver Post, 4 July 2026 See All Example Sentences for boundary
Recent Examples of Synonyms for boundary
  1. limit
  2. perimeter
  3. limitation
  4. edge
  5. line
  6. border
  7. circumference
  8. edging
Noun
  • Gas stations across Russia are imposing limits on purchases, CNN’s analysis found, with fuel- tracking websites popping up to guide drivers to the best spots to fill up.
    — Clare Sebastian, CNN Money, 6 July 2026
  • People who were enrolled in graduate school and received a federal loan before July 1 will not face the new limits, according to the Education Department.
    — Andrew Khouri, Los Angeles Times, 6 July 2026
Definition of limit
Noun
  • Catalan Fire Service head of operations Eduard Martinez said the blaze had a perimeter of 25 miles and firefighters may not be able to bring it under control on Sunday, EFE said.
    — Elena Becatoros, Los Angeles Times, 5 July 2026
  • The Waseca County Honor Guard carried the flag out of the fairgrounds hall, and with about 35 volunteers around its perimeter, the red, white and blue was fully unfurled in all its glory for the first time in decades.
    — Rebekah Riess, CNN Money, 4 July 2026
Definition of perimeter
Noun
  • There won't be any ticket limitations per customer, and parking will be free.
    — Tom Ignudo, CBS News, 30 June 2026
  • The researchers addressed that limitation by increasing the surface area of the carbon electrode and loading it with vanadium oxide, a material that can store a large amount of energy.
    — Atharva Gosavi, Interesting Engineering, 30 June 2026
Definition of limitation
Noun
  • The Detroit pizza features the style’s signature crown of crispy cheese around the edges, and a blanket of brick cheese.
    — Jenn Harris, Los Angeles Times, 6 July 2026
  • Both the scalloped edges and adorable blue gingham print made this a top pick for me.
    — Better Homes & Gardens, Better Homes & Gardens, 5 July 2026
Definition of edge
Noun
  • More than 120 people got sick in a norovirus outbreak aboard a Princess Cruises ship, marking the cruise line’s third this year.
    — Nathan Diller, USA Today, 2 July 2026
  • Cage’s score is an abstract work based on the Japanese form of collective poetry known as renga, in which each poet attempts to write a line that is as distant as possible in meaning from the preceding line.
    — Mark Swed, Los Angeles Times, 2 July 2026
Definition of line
Noun
  • The bears seen in large urban centers and agricultural areas, like the southeastern corners of the state and parts of the western border, are generally transient, as those areas don't have enough woods to create a good habitat.
    — Finch Walker, USA Today, 4 July 2026
  • Today, they're celebrated not just for their thrift, but for proving that small cars can have enormous personality – a trait Honda is now hoping will resonate far beyond Japan's borders.
    — New Atlas, New Atlas, 4 July 2026
Definition of border
Noun
  • This oil-on-canvas rendering of the Battle of Gettysburg stretches 42 feet high and 377 feet in circumference, taking up a whole room for an immersive viewing experience in vivid color.
    — Cu Fleshman, Travel + Leisure, 27 June 2026
  • One national survey of over 5,000 participants found that people who exercised in the morning tended to have a lower body mass index (BMI) and waist circumference as compared to midday and evening exercisers.
    — Jenessa Connor, Health, 26 June 2026
Definition of circumference
Noun
  • Install Landscape Edging Plastic, steel, wood, brick, or stone garden edging creates a physical barrier that blocks underground grass roots and keeps them from spreading among your flower beds.
    — Karen Brewer Grossman, Southern Living, 28 June 2026
  • The organic edging and modern handles create a sleek, sophisticated finish.
    — BestReviews, Mercury News, 19 June 2026
Definition of edging

Browse Nearby Words

boundaries
boundary
bounded
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Cite this Entry

“Boundary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boundary. Accessed 7 Jul. 2026.

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Nglish: Translation of boundary for Spanish Speakers

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