64 entries under adjective topic. ×

2
out-of-date
2
primitive(original, crude, ancient, barbaric)
2
superannuated
2
venerable
0
age-old
0
conservative
0
medieval(old, having)
0
bygone
0
conventional
0
corny
0
customary
0
dowdy
0
fusty
0
hoary
0
immemorial
0
mossy
0
orthodox
0
past
0
prehistoric
0
primordial
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APASmart Define. (2016). modern thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/modern/thesaurus/antonyms
ChicagoSmart Define. 2016. "modern thesaurus" https://smartdefine.org/modern/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, modern thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/modern/thesaurus/antonyms>.
MLASmart Define. "modern thesaurus" 17 February 2016. Web. 27 September 2026. <https://smartdefine.org/modern/thesaurus/antonyms>