37 entries under frontier topic. ×

27
perimeter(noun, area, part, turn, top)
26
border(noun, part, top, limit, face)
23
margin(noun, part, top, line, limit)
19
boundary(noun, area, part, end, top)
18
limit(noun, area, part, top, scope)
17
circumference(noun, area, turn, limit, scope)
11
ambit(noun, area, line, limit, scope)
10
outline(noun, outline, edge, border, borderline)
10
side(noun, end, top, point, limit)
9
compass(noun, area, turn, limit, scope)
6
end(noun, point, line, limit, edge)
5
outpost(border, borderline, boundary)
4
circumscription(noun, area, line, limit, scope)
4
confines(noun, area, line, limit, scope)
4
environs(noun, area, line, limit, scope)
3
borderline(noun, edge, border, trimming)
3
limits(border, borderline, limitations, boundaries)
3
march(edge, border, borderline, trimming)
3
pale(noun, border, borderline)
2
borderland(noun, border, borderline)
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APASmart Define. (2015). periphery thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/periphery/thesaurus/synonyms
ChicagoSmart Define. 2015. "periphery thesaurus" https://smartdefine.org/periphery/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, periphery thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/periphery/thesaurus/synonyms>.
MLASmart Define. "periphery thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/periphery/thesaurus/synonyms>