46 entries under frontier topic. ×

1
ambit(area, matter, space, border, distance)
1
edge(border, borderline, limitations, boundaries)
1
end(noun, border, borderline, limitations)
1
line(noun, activity, study, area, work)
1
march(border, borderline)
1
radius(area, matter, space, border, distance)
0
abuttals(border, borderline)
0
barrier(border, borderline)
0
beginning(border, borderline)
0
borderland(border, borderline)
0
borderline
0
brink(border, borderline)
0
frame(border, borderline)
0
hem(border, borderline)
0
line of demarcation(expression, idiom, border, borderline)
0
mark(border, borderline)
0
mere(border, borderline)
0
mete(border, borderline)
0
outer limit(expression, border, borderline)
0
outpost(border, borderline)
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APASmart Define. (2015). limits thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/limits/thesaurus/synonyms
ChicagoSmart Define. 2015. "limits thesaurus" https://smartdefine.org/limits/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, limits thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/limits/thesaurus/synonyms>.
MLASmart Define. "limits thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/limits/thesaurus/synonyms>