48 entries under frontier topic. ×
| border(noun, borderline, boundary, circumjacence) | |
| boundary(noun, limit, outline, border, station) | |
| environs(border, borderline, district, circumjacence) | |
| purlieus(border, borderline, circumjacence) | |
| borderland(border, borderline) | |
| line(border, borderline) | |
| march(border, borderline) | |
| marchland | |
| perimeter(border, borderline) | |
| periphery(border, borderline) | |
| circumference(border, borderline, circumjacence) | |
| edge(border, borderline, circumjacence) | |
| fringe(border, borderline, district, environs) | |
| precinct(border, borderline, district, environs) | |
| abuttals(border, borderline) | |
| beginning(border, borderline) | |
| borderline | |
| boundary frontier(expression, borderline) | |
| bounds(border, borderline) | |
| brink(border, borderline) |
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| APA | Smart Define. (2015). outpost thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/outpost/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "outpost thesaurus" https://smartdefine.org/outpost/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, outpost thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/outpost/thesaurus/synonyms>. |
| MLA | Smart Define. "outpost thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/outpost/thesaurus/synonyms> |