Synonyms|796Antonyms|110|Broader|15Narrower|73Related|365

62 entries under noun topic. ×

3
border
3
brink
3
rim
3
verge
2
Moho
2
Mohorovicic discontinuity
2
Rubicon
2
borderline
2
boundary line
2
bourn
2
bourne
2
city line
2
county line
2
delimitation
2
demarcation
2
demarcation line
2
district line
2
edge
2
end
2
fringe
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APASmart Define. (2015). boundary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/boundary/thesaurus/narrower
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/narrower (accessed September 27, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/boundary/thesaurus/narrower>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/boundary/thesaurus/narrower>