7
outdated(adjective, old, obsolete, dated, out-of-date)
4
vintage
3
old(adjective, stand, ancient, unchangeable)
1
traditional
-1
antique
-2
antiqued
-2
classical
-2
conventional
-2
customary
-2
maintained
-2
old-fashioned
-2
old-time
-2
old-world
-2
oldfangled
-2
prescriptive
-2
quaint
-2
retrograde
-3
retro
10 years ago|1k views|share |citing 
APASmart Define. (2016). updated thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/updated/thesaurus/antonyms
ChicagoSmart Define. 2016. "updated thesaurus" https://smartdefine.org/updated/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, updated thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/updated/thesaurus/antonyms>.
MLASmart Define. "updated thesaurus" 9 January 2016. Web. 21 September 2026. <https://smartdefine.org/updated/thesaurus/antonyms>