Synonyms|373Antonyms|99|Broader|11Narrower|2Related|693

73 entries under outdated topic. ×

20
former(noun, adjective, order, time, last)
20
past(verb, adjective, phrasal verb, last, original)
14
old(adjective, new, last, dead, odd)
13
ancient(adjective, dead, odd, late, out)
11
archaic(adjective, plain, new, last, original)
11
antique(noun, adjective, value, new, last)
11
dead(adjective, odd, out, old, past)
11
extinct(adjective, dead, odd, out, old)
11
olden(adjective, original, odd, late, old)
11
vintage(adjective, plain, new, odd, old)
10
antediluvian(original, dead, old, venerable)
10
antiquated(adjective, plain, new, last, original)
10
erstwhile(adjective, last, original, late, old)
10
late(adjective, last, original, dead, old)
9
obsolete(adjective, last, original, dead, odd)
9
old-time(adjective, new, last, original, odd)
8
passé(noun, adjective, plain, new, last)
8
quondam(noun, adjective, last, original, late)
7
dated(adjective, plain, new, last, original)
6
of old(expression, adjective, idiom, last, original)
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APASmart Define. (2015). bygone thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bygone/thesaurus/synonyms
ChicagoSmart Define. 2015. "bygone thesaurus" https://smartdefine.org/bygone/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bygone thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bygone/thesaurus/synonyms>.
MLASmart Define. "bygone thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/bygone/thesaurus/synonyms>