5
neo
4
new(adjective, common, fresh, experienced, up-to-date)
4
up-to-date(adjective, current, old-fashioned)
3
contemporary
3
groundbreaking(adjective, old, obsolete, habitual)
3
modern(adjective, new)
3
stylish
2
current
2
fresh
1
active
1
avant-garde
1
classy(adjective, style, taste, fashion)
1
emergent
1
energized
1
fashionable(adjective, dull)
1
future-proof(feature, state, characteristic, disuse)
1
modernistic
1
modish
1
newfangled
1
present
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APASmart Define. (2015). outdated thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/outdated/thesaurus/antonyms
ChicagoSmart Define. 2015. "outdated thesaurus" https://smartdefine.org/outdated/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, outdated thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/outdated/thesaurus/antonyms>.
MLASmart Define. "outdated thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/outdated/thesaurus/antonyms>