2
thalweg
2
threshold
2
upper bound
1
bound
1
boundary-line
1
confine
1
division
1
extent
1
extremity
1
in terms
1
last in line
1
limitation
1
mark
1
outpost
1
partition
1
rank
1
separation
1
term
1
terminus
0
absoluteness
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APASmart Define. (2015). boundary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/boundary/thesaurus/narrower
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/narrower (accessed September 24, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/boundary/thesaurus/narrower>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/boundary/thesaurus/narrower>