94 entries under noun topic. ×

37
border(part, top, outline, edge)
22
periphery(area, part, turn, top)
22
edge(part, top, outline, edge)
21
boundary(area, part, end, top)
18
margin(part, top, edge, border)
16
circumference(area, turn, limit, scope)
15
rim(part, top, edge, bound)
13
fringe(edge, border, borderline, boundary)
13
limit(area, part, top, scope)
13
circuit(area, turn, scope, range)
12
brim(top, edge, bound, border)
12
ambit(area, line, limit, scope)
12
compass(area, turn, limit, scope)
12
verge(part, top, edge, bound)
11
brink(area, edge, bound, border)
11
outline(outline, edge, border, borderline)
11
bounds(track, outline, trail, border)
10
side(edge, bound, border, surplus)
9
limits(border, borderline, frontier, boundaries)
8
girth
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APASmart Define. (2015). perimeter thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/perimeter/thesaurus/synonyms
ChicagoSmart Define. 2015. "perimeter thesaurus" https://smartdefine.org/perimeter/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, perimeter thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/perimeter/thesaurus/synonyms>.
MLASmart Define. "perimeter thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/perimeter/thesaurus/synonyms>