2
oldest
-1
original(adjective, last, earliest)
-1
generative
-1
preliminary
-1
preparatory
-1
starting
-2
acme
-2
earliest
-2
introductory
-2
lose
-2
obsolescent
-2
opening
10 years ago|195 views|share |citing 
APASmart Define. (2015). newest thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/newest/thesaurus/antonyms
ChicagoSmart Define. 2015. "newest thesaurus" https://smartdefine.org/newest/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, newest thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/newest/thesaurus/antonyms>.
MLASmart Define. "newest thesaurus" 31 December 2015. Web. 24 September 2026. <https://smartdefine.org/newest/thesaurus/antonyms>