62 entries under decayed topic. ×

13
dead(adjective, hard, cold, odd, senseless)
9
antiquated(adjective, hard, odd, old, sour)
7
passé(adjective, hard, informal, dead, odd)
6
old(adjective, hard, dead, odd, sour)
3
out-of-date(adjective, hard, odd, old, sour)
3
stale(adjective, hard, informal, dead, old)
3
tired(adjective, dull, quiet, hard, old)
2
effete(adjective, dull, hard, tired, old)
2
musty(adjective, hard, odd, old, sour)
2
past(adjective, adverb, hard, odd, old)
2
tasteless(adjective, hard, old, sour, musty)
2
worn-out(adjective, dull, hard, tired, old)
1
bent(adjective, dull, hard, tired, old)
1
cliché(dull, hard, tired, old, sour)
1
cliché-ridden(dull, hard, tired, old, sour)
1
corny(adjective, dull, hard, odd, old)
1
dull(adjective, quiet, hard, tired, old)
1
dusty(adjective, hard, dead, old, sour)
1
like a dinosaur(expression, adjective, idiom, dull, hard)
1
mawkish(adjective, dull, hard, tired, old)
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APASmart Define. (2016). out thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/out/thesaurus/synonyms
ChicagoSmart Define. 2016. "out thesaurus" https://smartdefine.org/out/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, out thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/out/thesaurus/synonyms>.
MLASmart Define. "out thesaurus" 5 January 2016. Web. 20 September 2026. <https://smartdefine.org/out/thesaurus/synonyms>