Border
Border noun - The line or relatively narrow space that marks the outer limit of something.
State boundary and border are semantically related. In some cases you can use "State boundary" instead a noun "Border".
State boundary
State boundary noun - The boundary between two states.
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Synonyms for State boundary
Border and state boundary are semantically related. You can use "Border" instead a noun phrase "State boundary".
Mutual synonyms
Cite this Source
State boundary and Border. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/border/state_boundary
Border & State boundary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/border/state_boundary>.
State boundary or Border. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/border/state_boundary.
Google Ngram Viewer shows how "border" and "state boundary" have occurred on timeline