54 entries under borderline topic. ×
| extremity(border, frontier) | |
| frame(border, frontier) | |
| fringe(border, frontier) | |
| frontier(noun, border) | |
| hem(border, frontier) | |
| horizon(border, frontier) | |
| limit(border, frontier) | |
| limits(border, frontier) | |
| line(border, frontier) | |
| line of demarcation(expression, idiom, border, frontier) | |
| march(border, frontier) | |
| marchland | |
| margin(border, frontier) | |
| mark(border, frontier) | |
| mere(border, frontier) | |
| mete(border, frontier) | |
| outer limit(expression, border, frontier) | |
| outline(border, frontier) | |
| outpost(border, frontier) | |
| pale(border, frontier) |
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| APA | Smart Define. (2013). state line thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/state_line/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "state line thesaurus" https://smartdefine.org/state_line/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, state line thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/state_line/thesaurus/synonyms>. |
| MLA | Smart Define. "state line thesaurus" 18 May 2013. Web. 25 September 2026. <https://smartdefine.org/state_line/thesaurus/synonyms> |