84 entries under frontier topic. ×

2
mark(noun, outline, edge, border)
2
mere(noun, outline, edge, border)
2
mete(noun, outline, edge, border)
2
molding(noun, outline, edge, border)
2
mouth(noun, outline, edge, border)
2
outline(noun, edge, border, brick)
2
outpost(noun, outline, edge, border)
2
outskirt(noun, outline, edge, border)
2
pale(noun, outline, edge, border)
2
portal(noun, outline, edge, border)
2
precinct(noun, outline, edge, border)
2
purlieus(noun, outline, edge, border)
2
radius(noun, outline, edge, border)
2
ring(noun, outline, edge, border)
2
shore(noun, outline, edge, border)
2
split(noun, outline, edge, border)
2
strand(noun, outline, edge, border)
2
term(noun, outline, edge, border)
2
terminal(noun, outline, edge, border)
2
termination(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>