61 entries under antiquated topic. ×

9
out(adjective, informal, dead, possible, unacceptable)
9
stale(adjective, dull, warm, last, original)
8
musty(adjective, stale, unfashionable, obsolete)
8
primitive(adjective, last, original, old, outdated)
7
behind the times(expression, adjective, idiom, cold, current)
7
belated(adjective, dead, past, lost, previous)
7
dowdy(adjective, dull, new, unfashionable)
7
neglected(adjective, unfashionable, archaic, outworn)
7
old-hat(adjective, unfashionable, outdated, obsolete)
6
dead(adjective, informal, out, past, lost)
6
conservative(noun, adjective, dull, conventional, traditional)
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)
5
outworn(adjective, dead, out, old)
5
square(adjective, out, old, conventional, unfashionable)
5
unaccepted
4
mossy
3
odd(adjective, informal, unfashionable, archaic)
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APASmart Define. (2015). old-fashioned thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/old-fashioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "old-fashioned thesaurus" https://smartdefine.org/old-fashioned/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, old-fashioned thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/old-fashioned/thesaurus/synonyms>.
MLASmart Define. "old-fashioned thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/old-fashioned/thesaurus/synonyms>