7
center(noun, start, point, outside)
6
interior(noun, start)
4
inside(noun, start)
3
middle(noun, start)
2
area
1
axis
0
accommodate
0
core
0
heart
0
affection
0
centerfield
0
centering
0
centrality
0
centre
0
centrists
0
innards
0
inner
0
marrow
0
material
0
matter
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). boundary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/boundary/thesaurus/antonyms
ChicagoSmart Define. 2015. "boundary thesaurus" https://smartdefine.org/boundary/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, boundary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/boundary/thesaurus/antonyms>.
MLASmart Define. "boundary thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/boundary/thesaurus/antonyms>