44 entries under borderline topic. ×

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outer limit(expression, border, frontier)
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state line(expression, border, frontier)
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terminal(border, frontier)
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terminus(edge, border, frontier, lip)
<123>
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APASmart Define. (2015). periphery thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/periphery/thesaurus/synonyms
ChicagoSmart Define. 2015. "periphery thesaurus" https://smartdefine.org/periphery/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, periphery thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/periphery/thesaurus/synonyms>.
MLASmart Define. "periphery thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/periphery/thesaurus/synonyms>