83 entries under noun topic. ×

14
border(top, line, limit, edge)
11
boundary(mark, top, limit, stroke)
11
edge(mark, top, limit, stroke)
9
frontier
9
line(mark, stroke, border)
8
margin
8
mete
8
verge(limit, edge, border, extremity)
7
boundary line(expression, idiom)
7
end(top, limit, extreme, edge)
6
delimitation
6
fringe(edge, trim, border, frontier)
6
limit(mark, top, stroke, extreme)
6
perimeter(edge, border, frontier, trimming)
5
brink(edge, trim, border, frontier)
5
compass
5
threshold(edge, border, frontier, transitional)
4
division
4
periphery(edge, border, frontier, trimming)
4
terminal(top, limit, extreme, edge)
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APASmart Define. (2015). borderline thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms
ChicagoSmart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, borderline thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>.
MLASmart Define. "borderline thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms>