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
Extent and border are semantically related in range topic. In some cases you can use "Extent" instead a noun "Border", when it comes to topics like limit.
Extent
Extent noun - A real or imaginary point beyond which a person or thing cannot go.
Usage example: the coach exceeded the extent of his authority by exempting some of the players from the requirement
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Synonyms for Extent
Border and extent are semantically related in range topic. Sometimes you can use "Border" instead a noun "Extent", if it concerns topics such as limit, boundary.
How words are described
Both words in one sentence
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Hadrian's Wall, which roughly traces the English-Scottish border, is the extent to which they went (and presumably saw the Scots and said Screw This, I'm Outta Here!).
Source: Pretentious Latin Motto -
While it's not exactly doing great either, Mexico is stated to be wealthier than any of the republics north of the border, and appears not to have Balkanized to the extent the US did (it's still called 'Mexico' and the Mexican army appears to still be a coherent fighting force).
Source: Series / Revolution -
Age-Inappropriate Dress: Maybe not to the extremes of some mainstream little-girl groups like Play, but to some extent the outfits the preteen girls wear in the dance-along videos border on too revealing.
Source: Music / Kidz Bop
Cite this Source
Extent and Border. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/border/extent
Border & Extent. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/border/extent>.
Extent or Border. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/border/extent.
Google Ngram Viewer shows how "border" and "extent" have occurred on timeline