80 entries under old topic. ×

6
clichéd(adjective, dull, set, beat, hard)
6
reeking(adjective, strong, hard, offensive, sweet)
6
stinking(adjective, strong, hard, offensive, sweet)
6
watery(adjective, dull, hard, weak, flat)
5
antique(adjective, original, outdated, obsolete)
5
hardened
5
passé(adjective, hard, last, original, deterioration)
5
worn-out(adjective, dull, set, hard, flat)
4
antediluvian(adjective, original, outdated, obsolete)
4
cliché(noun, adjective, dull, set, hard)
4
drab(adjective, dull, hard, weak, simple)
4
effete(adjective, beat, hard, useless, tired)
4
faded(adjective, hard, deterioration, sour)
4
mawkish(adjective, dull, hard, sour)
4
out(adjective, hard, informal, dead)
4
rusty(adjective, last, original, out)
4
stenchy(adjective, hard, sour, rotten)
3
exhausted(verb, adjective, dull, set, beat)
3
olden(adjective, original, past, venerable)
3
parched(adjective, hard, dry, bare)
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APASmart Define. (2015). stale thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stale/thesaurus/synonyms
ChicagoSmart Define. 2015. "stale thesaurus" https://smartdefine.org/stale/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, stale thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stale/thesaurus/synonyms>.
MLASmart Define. "stale thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/stale/thesaurus/synonyms>