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
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Recent Examples of boundary
Sulaiman suggests using fabric to blur the boundaries between rooms or between walls and windows.
—
Abby Wolner, Better Homes & Gardens, 6 Jan. 2026
Ajder said xAI has embraced its reputation for pushing the boundaries on acceptable AI content.
—Beatrice Nolan, Fortune, 6 Jan. 2026
Having boundaries has been her saving grace while doing it all.
—Leslie D. Rose, Parents, 6 Jan. 2026
Enjoy if possible, activate and uphold boundaries if needed.
—Tribune Content Agency, Baltimore Sun, 6 Jan. 2026
See All Example Sentences for boundary
Recent Examples of Synonyms for boundary
Noun
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Samsung designed the sensor to push physical limits while maintaining strong light absorption and signal accuracy.—
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His administration’s agenda has tugged the law to its limits on several occasions, and is currently undergoing multiple court battles on issues ranging from immigration to tariffs.—
Noun
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Agents reportedly found Wu again, who admitted to taking videos of the B‑2 Spirit aircraft and numerous photographs of the base, including its perimeter fencing, a gate and military equipment.—
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The New York City Police Department maintained a safety perimeter around the protest to ensure no chaos sparked between the opposing protesters.—
Noun
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Those limitations cost them more than Kornet, with Kristaps Porziņģis (traded to the Atlanta Hawks) and Al Horford (signed with the Golden State Warriors) also lost during the offseason.—
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While the limitations imposed by the ACA cannot be undone by executive order, Congress has the power to repeal them.—
Noun
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Rye whiskey is the drier and spicier cousin of bourbon with an herbaceous edge, an edge which (as with the Sazerac, La Louisiane and others) is given a few dozen exclamation points with a dash of absinthe.—
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Cake mix, lemon pie filling, and butter come together in the oven to create crisp edges and a gooey, citrusy center, while a little cream cheese in the mix rounds out the lemon’s brightness.—
Noun
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Outside the capital, guerrilla groups and organized crime syndicates are exploiting the power vacuum along Venezuela’s borders and in its resource-rich interior.—
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Born in France but a staple of Moroccan cinema, Laxe has a talent for scaling international borders and belief systems to peer into worlds that feel dangerously tactile and spiritually slippery.—
Noun
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Straight line winds can blow down trees, power lines, and damage mobile homes and other buildings.—
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Some incredible lines come out of people’s mouths, and then the clouds gather again.—
Noun
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Separated from regular life by a kaleidoscopic shell whose circumference continues to expand, the Shimmer, as it’s called, has claimed the lives of every person who has gone inside — except one.—
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Waist circumference is a proxy measurement for the amount of fat that may be around your organs, which increases your risk of heart disease and stroke.—
Noun
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This chronological edging might be pleasurable for Shane and Ilya, but when built into the framing of an episode of television, the fade-ins and -outs overwhelm and distract the narrative.—
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The result is precise, confident edging with less effort, making this a top choice for skiers who want comfort and control.—
Cite this Entry
“Boundary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boundary. Accessed 13 Jan. 2026.
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