137 entries under dull topic. ×

4
corny(adjective, set, hard, flat)
4
dry(adjective, hard, simple, flat)
4
formulaic(adjective, good, mean, ordinary)
4
musty(adjective, set, hard, flat)
4
no great shakes(expression, adjective, idiom, mean)
4
prosy(adjective, simple, flat, rough)
4
repetitious(adjective, hard, flat, ordinary)
4
tiresome(adjective, flat, ordinary, dry)
3
bromidic(adjective, set, flat, silly)
3
moth-eaten(adjective, set, hard, flat)
3
unvaried(adjective, ordinary, familiar, boring)
3
vapid(adjective, set, simple, flat)
3
worn-out(adjective, set, hard, flat)
2
blah(adjective, simple, flat, plain)
2
bland(adjective, stupid, ordinary, boring)
2
colorless(adjective, simple, flat, rough)
2
dead(adjective, hard, simple, flat)
2
fusty(adjective, hard, tired, old)
2
ho hum(expression, adjective, flat, stupid)
2
hokey(adjective, set, flat, silly)
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APASmart Define. (2016). common thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/common/thesaurus/synonyms
ChicagoSmart Define. 2016. "common thesaurus" https://smartdefine.org/common/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, common thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/common/thesaurus/synonyms>.
MLASmart Define. "common thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/common/thesaurus/synonyms>