34 entries under borderline topic. ×

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beginning(border, frontier)
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circumference(border, frontier)
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frame(border, frontier)
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horizon(border, frontier)
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limits(border, frontier)
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line of demarcation(expression, idiom, border, frontier)
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mere(border, frontier)
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outer limit(expression, border, frontier)
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outline(border, frontier)
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radius(border, frontier)
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rim(border, frontier)
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side(border, frontier)
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state line(expression, border, frontier)
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termination(border, frontier)
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APASmart Define. (2015). borderland thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/borderland/thesaurus/synonyms
ChicagoSmart Define. 2015. "borderland thesaurus" https://smartdefine.org/borderland/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, borderland thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/borderland/thesaurus/synonyms>.
MLASmart Define. "borderland thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/borderland/thesaurus/synonyms>