Synonyms|597Antonyms|63|Broader|5Narrower|1Related|251

49 entries under outdated topic. ×

1
immemorial(last, original, past, traditional, venerable)
1
late(last, original, past, venerable)
1
obsolete(weak, corrupt, last, original, exhausted)
1
of old(expression, last, original, venerable)
1
of yore(expression, last, original, venerable)
1
old-fashioned(adjective, last, original, past, venerable)
1
old-time(last, original, past, venerable)
1
olden(adjective, original, old, past, venerable)
1
oldfangled(last, original, past, venerable)
1
once(last, original, past, traditional, venerable)
1
onetime(last, original, past, traditional, venerable)
1
original(last, past, traditional, venerable)
1
out-of-date(adjective, hard, last, original, remote)
1
outmoded(last, original, past, other)
1
passé(hard, last, original, remote, old)
1
past(adjective, hard, last, original, old)
1
primeval(last, original, past, venerable)
1
primitive(last, original, past, venerable)
1
primordial(last, original, past, venerable)
1
pristine(last, original, past, traditional, venerable)
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ChicagoSmart Define. 2015. "decayed thesaurus" https://smartdefine.org/decayed/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, decayed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/decayed/thesaurus/synonyms>.
MLASmart Define. "decayed thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/decayed/thesaurus/synonyms>