Synonyms|515Antonyms|150|Broader|5Narrower|0Related|262

88 entries under dull topic. ×

6
corny(adjective, set, hard, flat)
6
platitudinous(adjective, set, hard, flat)
6
tedious(adjective, flat, stupid, dry)
6
unoriginal(adjective, set, hard, flat)
5
bromidic(adjective, flat, excite, stupid)
5
set(adjective, flat, silly, common)
5
tiresome(adjective, flat, stupid, dry)
4
cliché(adjective, set, hard, flat)
4
monotonous(adjective, flat, stupid, dry)
4
old hat(expression, adjective, flat, commonplace)
3
antiquated(adjective, hard, feeble, tired)
3
bathetic(adjective, flat, commonplace, stale)
3
cliché-ridden(adjective, hard, standard, old)
3
passe(adjective, hard, deterioration, old)
2
colorless(adjective, beat, dirty, common)
2
drained(adjective, set, beat, flat)
2
familiar tune(expression, adjective, set, flat)
2
fusty(adjective, hard, tired, old)
2
ordinary(adjective, flat, usual, standard)
2
plebeian(adjective, common, stupid, ordinary)
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ChicagoSmart Define. 2016. "threadbare thesaurus" https://smartdefine.org/threadbare/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, threadbare thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/threadbare/thesaurus/synonyms>.
MLASmart Define. "threadbare thesaurus" 29 February 2016. Web. 21 September 2026. <https://smartdefine.org/threadbare/thesaurus/synonyms>