Synonyms|58Antonyms|1|Broader|5Narrower|4Related|3

54 entries under frontier topic. ×

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perimeter(border, borderline)
0
periphery(border, borderline)
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precinct(border, borderline)
0
purlieus(border, borderline)
0
radius(border, borderline)
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rim(border, borderline)
0
side(border, borderline)
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sideline
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skirt(border, borderline)
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terminal(border, borderline)
0
termination(border, borderline)
0
terminus(border, borderline)
0
threshold
0
verge(border, borderline)
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APASmart Define. (2013). state line thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/state_line/thesaurus/synonyms
ChicagoSmart Define. 2013. "state line thesaurus" https://smartdefine.org/state_line/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, state line thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/state_line/thesaurus/synonyms>.
MLASmart Define. "state line thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/state_line/thesaurus/synonyms>