84 entries under frontier topic. ×

5
extremity(noun, outline, edge, border)
5
frame(noun, outline, edge, border)
5
hem(noun, outline, edge, border)
5
limit(noun, outline, edge, border)
5
line(noun, outline, edge, border)
5
lip(noun, outline, edge, border)
5
point(noun, outline, edge, border)
5
side(noun, outline, edge, border)
5
threshold(noun, outline, edge, border)
3
boundary delimitation(expression, state, border, zone)
3
buffer zone(expression, state, border, zone)
2
abuttals(noun, outline, edge, border)
2
ambit(noun, outline, edge, border)
2
barrier(noun, outline, edge, border)
2
beginning(noun, outline, edge, border)
2
bend(noun, outline, edge, border)
2
berm(noun, outline, edge, border)
2
borderland(noun, outline, edge, border)
2
borderline(noun, outline, edge, border)
2
bound(noun, outline, edge, border)
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APASmart Define. (1970). border state thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/border_state/thesaurus/related
ChicagoSmart Define. 1970. "border state thesaurus" https://smartdefine.org/border_state/thesaurus/related (accessed September 26, 2026).
HarvardSmart Define 1970, border state thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/border_state/thesaurus/related>.
MLASmart Define. "border state thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/border_state/thesaurus/related>