41 entries under obsolete topic. ×

53
antiquated(adjective, feature, characteristic, dull, trait)
51
archaic(adjective, feature, characteristic, dull, trait)
47
dated(adjective, feature, characteristic, dull, trait)
40
outdated(adjective, feature, characteristic, dull, trait)
39
old(adjective, feature, characteristic, dull, trait)
39
out-of-date(adjective, feature, characteristic, dull, trait)
20
ancient(adjective, dead, out, old, past)
16
vintage(adjective, new, old, unfashionable)
14
unfashionable(adjective, last, original, dead, out)
11
obsolescent(adjective, old, traditional, unfashionable)
10
old-time(adjective, dull, new, last, original)
9
stale(adjective, dull, warm, last, original)
8
musty(adjective, stale, unfashionable, antiquated)
7
behind the times(expression, adjective, idiom, cold, current)
7
old-hat(adjective, unfashionable, outdated, antiquated)
6
oldfangled(adjective, last, original, dead, past)
6
past(noun, adjective, last, original, primitive)
5
fusty(adjective, dull, warm, new, old)
5
olden(adjective, original, dead, old, past)
3
moth-eaten(adjective, original, old, stale, shabby)
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APASmart Define. (2015). old-fashioned thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/old-fashioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "old-fashioned thesaurus" https://smartdefine.org/old-fashioned/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, old-fashioned thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/old-fashioned/thesaurus/synonyms>.
MLASmart Define. "old-fashioned thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/old-fashioned/thesaurus/synonyms>