Synonyms|796Antonyms|110|Broader|15Narrower|73Related|365
6
liminal
5
timeframe
4
border state
4
broken line
4
term limit
3
border
3
brink
3
restrictive
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
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APASmart Define. (2015). boundary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/boundary/thesaurus/narrower
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/narrower (accessed September 21, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/boundary/thesaurus/narrower>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/boundary/thesaurus/narrower>