13
interior(noun, adjective, open, core, center)
9
inside(noun, adjective, adverb, preposition, middle)
6
inner(adjective, physical, central, physically)
6
middle(noun, adjective, extreme, interior, outside)
5
center(noun, adjective, point, middle, interior)
4
core(noun, center, gist, interior, outside)
3
bosom
3
essence(noun, top)
3
heart(noun, part, body, essence, cruelty)
3
hub(noun, point, surface, center)
3
indoor
3
internal
2
central(adjective, insignificant, main, middle, principal)
2
essential
2
gist(noun, surface)
2
inherent
2
inmost
2
intrinsic
2
inward
2
kernel(noun, whole)
<12345…10>
10 years ago|1.2k views|share |citing 
APASmart Define. (2016). exterior thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/exterior/thesaurus/antonyms
ChicagoSmart Define. 2016. "exterior thesaurus" https://smartdefine.org/exterior/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, exterior thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/exterior/thesaurus/antonyms>.
MLASmart Define. "exterior thesaurus" 10 February 2016. Web. 26 September 2026. <https://smartdefine.org/exterior/thesaurus/antonyms>