2
confinement
2
course(range, track, period, trail, interval)
2
divider(noun, break, split, disagreement, class)
2
floor
2
last(limit, edge)
2
lip(noun, edge, bound, border, surplus)
2
marchland(noun, territory, edge, borderline, frontier)
2
mere(noun, limit, border, borderline, frontier)
2
nib(noun, top, point, limit, extreme)
2
obstacle(noun, privet, hedgerow)
2
outside(limit, edge, margin, sideline)
2
partition(split, class, distinction, section, borderline)
2
point(noun, end, top, line, limit)
2
pole(limit, edge)
2
rail
2
restrain
2
skirting
2
spread
2
stint(noun, limit)
2
stop
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APASmart Define. (2015). boundary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/boundary/thesaurus/synonyms
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/boundary/thesaurus/synonyms>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/boundary/thesaurus/synonyms>