9
vintage
4
traditional
1
anachronistic
1
ancient
1
antique
1
conventional
1
customary
1
dated
1
old-fashioned
1
old-time
1
old-world
1
oldfangled
1
regressive
1
retro
1
retrograde
0
age-old
0
aged
0
ageless
0
antediluvian
0
antiquated
<123>
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APASmart Define. (2014). state-of-the-art thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/state-of-the-art/thesaurus/antonyms
ChicagoSmart Define. 2014. "state-of-the-art thesaurus" https://smartdefine.org/state-of-the-art/thesaurus/antonyms (accessed October 2, 2026).
HarvardSmart Define 2014, state-of-the-art thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/state-of-the-art/thesaurus/antonyms>.
MLASmart Define. "state-of-the-art thesaurus" 27 August 2014. Web. 2 October 2026. <https://smartdefine.org/state-of-the-art/thesaurus/antonyms>