8 entries under off topic. ×

12
passe(adjective, odd, out, old, primitive)
8
demode(adjective, odd, out, old, primitive)
6
outmoded(adjective, common, tired, odd, old)
3
unfashionable(odd, out, old, primitive, unacceptable)
2
antiquated(common, tired, odd, old, stale)
2
behind the times(expression, idiom, odd, out, old)
2
dated(odd, out, old, primitive, unacceptable)
2
dead(odd, old, primitive, unacceptable)
10 years ago|1.8k views|share |citing 
APASmart Define. (2016). old-hat thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/old-hat/thesaurus/synonyms
ChicagoSmart Define. 2016. "old-hat thesaurus" https://smartdefine.org/old-hat/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, old-hat thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/old-hat/thesaurus/synonyms>.
MLASmart Define. "old-hat thesaurus" 29 February 2016. Web. 21 September 2026. <https://smartdefine.org/old-hat/thesaurus/synonyms>