47 entries under old topic. ×

61
dead(adjective, feature, state, split, quit)
45
obsolete(adjective, feature, characteristic, trait, dead)
44
archaic(adjective, feature, characteristic, trait, dead)
39
outmoded(adjective, feature, characteristic, trait, dead)
39
passé(adjective, feature, characteristic, trait, dead)
38
antiquated(adjective, feature, characteristic, trait, dead)
37
dated(adjective, feature, characteristic, trait, dead)
37
antique(adjective, feature, characteristic, trait, dead)
34
demode(adjective, feature, characteristic, trait, odd)
34
out-of-date(adjective, feature, characteristic, trait, dead)
34
superannuated(adjective, feature, characteristic, trait, dead)
33
outdated(adjective, feature, characteristic, trait, odd)
16
out(adjective, adverb, dead, odd)
12
bygone(adjective, dead, odd, out)
8
past(adjective, split, quit, dead, odd)
6
ancient(adjective, dead, odd, out)
5
outworn(adjective, dead, odd, out)
2
behind the times(expression, idiom, odd, primitive)
2
of old(expression, dead, odd, past)
2
old-hat(adjective, dead, odd, primitive)
<123>
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APASmart Define. (2016). extinct thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extinct/thesaurus/synonyms
ChicagoSmart Define. 2016. "extinct thesaurus" https://smartdefine.org/extinct/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, extinct thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extinct/thesaurus/synonyms>.
MLASmart Define. "extinct thesaurus" 10 February 2016. Web. 20 September 2026. <https://smartdefine.org/extinct/thesaurus/synonyms>