2
antiquated(common, tired, odd, old, stale)
2
archaic(dead, odd, old, primitive, unfashionable)
2
behind the times(expression, idiom, odd, out, old)
2
bygone(dead, odd, old, primitive, unfashionable)
2
corny(adjective, tired, odd, out, old)
2
dated(odd, out, old, primitive, unacceptable)
2
dead(odd, old, primitive, unacceptable, off)
2
extinct(dead, odd, old, primitive, unfashionable)
2
moldy(dead, odd, old, primitive, unfashionable)
2
musty(adjective, odd, out, old, primitive)
2
not with it(expression, idiom, odd, out, old)
2
obsolescent(adjective, odd, old, primitive, unfashionable)
2
obsolete(adjective, common, tired, odd, old)
2
old(common, dead, tired, odd, stale)
2
out-of-date(common, tired, odd, old, stale)
2
out-of-style(adjective, odd, out, old, primitive)
2
outdated(common, tired, odd, old, stale)
2
outworn(dead, odd, old, primitive, unfashionable)
2
superannuated(dead, odd, old, primitive, unfashionable)
2
vintage(adjective, odd, out, old, primitive)
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APASmart Define. (2016). old-hat thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/old-hat/thesaurus/synonyms
ChicagoSmart Define. 2016. "old-hat thesaurus" https://smartdefine.org/old-hat/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, old-hat thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/old-hat/thesaurus/synonyms>.
MLASmart Define. "old-hat thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/old-hat/thesaurus/synonyms>