50 entries under borderline topic. ×
| periphery(noun, area, part, turn, top) | |
| boundary(noun, area, part, end, top) | |
| margin(noun, part, top, edge, border) | |
| circumference(noun, area, turn, limit, scope) | |
| fringe(noun, edge, border, boundary) | |
| limit(noun, area, part, top, scope) | |
| ambit(noun, area, line, limit, scope) | |
| compass(noun, area, turn, limit, scope) | |
| brink(noun, area, edge, bound, border) | |
| outline(noun, outline, edge, border) | |
| bounds(noun, track, outline, trail, border) | |
| side(noun, edge, bound, border, surplus) | |
| limits(noun, border, frontier, boundaries) | |
| confines(noun, area, line, limit, scope) | |
| hem(noun, edge, bound, border, surplus) | |
| skirt(noun, edge, bound, border, surplus) | |
| extremity(noun, edge, border, frontier) | |
| frame(noun, outline, edge, bound, border) | |
| pale(noun, border, frontier) | |
| borderland(border, frontier) |
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| APA | Smart Define. (2015). perimeter thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perimeter/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perimeter thesaurus" https://smartdefine.org/perimeter/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, perimeter thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perimeter/thesaurus/synonyms>. |
| MLA | Smart Define. "perimeter thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/perimeter/thesaurus/synonyms> |