Border
Border noun - The line or relatively narrow space that marks the outer limit of something.
Usage example: a rug with a fancily embroidered border
Perimeter is a synonym for border in margin topic. In some cases you can use "Perimeter" instead the word "Border" as a noun or an adjective, when it comes to topics like edge, frontier, thing, boundary. popular alternative
Perimeter
Perimeter noun - The line or relatively narrow space that marks the outer limit of something.
Usage example: soldiers guarding the perimeter of the camp
Mutual synonyms
How words are described
Both words in one sentence
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Border Patrol: If Batman tries to glide over the perimeter wall of Arkham City, he will turn around while escaping gunfire from turrets.
Source: Video Game / Batman: Arkham City -
Unfortunately, this kind of defense is both unimaginative and passive, and a breach may occur at any single spot on a very long border, as the enemy may concentrate his strength, while the defender has no choice but to guard the entire perimeter.
Source: Useful Notes / The Roman Empire
Cite this Source
Perimeter and Border. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/border/perimeter
Border & Perimeter. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/border/perimeter>.
Perimeter or Border. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/border/perimeter.
Google Ngram Viewer shows how "border" and "perimeter" have occurred on timeline