46 entries under borderline topic. ×

0
outpost(border, frontier)
-1
side(border, frontier)
-1
state line(expression, border, frontier)
-1
terminal(border, frontier)
-1
termination(border, frontier)
-1
terminus(edge, border, frontier, lip)
<123>
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APASmart Define. (2015). circumference thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/circumference/thesaurus/synonyms
ChicagoSmart Define. 2015. "circumference thesaurus" https://smartdefine.org/circumference/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, circumference thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/circumference/thesaurus/synonyms>.
MLASmart Define. "circumference thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/circumference/thesaurus/synonyms>