50 entries under borderline topic. ×
| mark(border, frontier) | |
| mere(border, frontier) | |
| mete(border, frontier) | |
| outer limit(expression, border, frontier) | |
| sideline(edge, border, boundary, margin) | |
| state line(expression, border, frontier) | |
| terminal(border, frontier) | |
| termination(border, frontier) | |
| terminus(edge, border, frontier, lip) | |
| threshold(verge, frontier) |
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| APA | Smart Define. (2015). perimeter thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/perimeter/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perimeter thesaurus" https://smartdefine.org/perimeter/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, perimeter thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/perimeter/thesaurus/synonyms>. |
| MLA | Smart Define. "perimeter thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/perimeter/thesaurus/synonyms> |