Synonyms|44Antonyms|0|Broader|4Narrower|0Related|21

16 entries under frontier topic. ×

8
march(noun, territory, edge, borderline)
6
border(noun, territory, edge, borderline, boundary)
3
boundary(noun, territory, edge, borderline)
2
outpost
0
beginning
0
borderline
0
boundary frontier(expression, borderline)
0
door
0
edge
0
entrance
0
line
0
pale
0
perimeter
0
sideline
0
state line(expression, borderline)
0
threshold
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APASmart Define. (2015). marchland thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/marchland/thesaurus/synonyms
ChicagoSmart Define. 2015. "marchland thesaurus" https://smartdefine.org/marchland/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, marchland thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/marchland/thesaurus/synonyms>.
MLASmart Define. "marchland thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/marchland/thesaurus/synonyms>