7
anterior(noun, adjective, beginning, front, prior)
7
front(noun, adjective)
6
preceding
5
previous
4
fore
4
forward(adjective, adverb)
3
frontal
2
antecedent
2
foregoing
2
prefrontal
2
prior
2
ventral
1
abet
1
advance
1
ahead
1
earlier
1
former
1
improve
1
incipient
1
precedent
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APASmart Define. (2015). posterior thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/posterior/thesaurus/antonyms
ChicagoSmart Define. 2015. "posterior thesaurus" https://smartdefine.org/posterior/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, posterior thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/posterior/thesaurus/antonyms>.
MLASmart Define. "posterior thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/posterior/thesaurus/antonyms>