539 entries under adjective topic. ×

9
dun(dull, soft, obscure, flat)
9
lifeless(dull, weak, simple, soft)
9
sober(calm, dull, soft, obscure)
9
dispiriting(dull, unhappy, dark, gloomy)
9
grim(dull, blue, sad, unhappy)
9
humdrum(dull, simple, clean, plain)
9
lackluster(dull, simple, blue, excite)
9
uninteresting(dull, weak, stupid, boring)
9
vapid(dull, weak, simple, flat)
8
bleak(dull, unhappy, dark, gloomy)
8
brown(noun, dull, dark, color)
8
colorless(dull, weak, simple, soft)
8
dim(dull, weak, soft, blue)
8
disconsolate(dull, blue, sad, unhappy)
8
dowdy(uncleanness, unfashionable, dressed)
8
dry(dull, hard, simple, flat)
8
insipid(dull, hard, weak, stupid)
8
muddy(dull, soft, obscure, flat)
8
neutral(dull, lead, flat, grim)
8
plain(calm, dull, simple, soft)
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APASmart Define. (2016). drab thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/drab/thesaurus/synonyms
ChicagoSmart Define. 2016. "drab thesaurus" https://smartdefine.org/drab/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, drab thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/drab/thesaurus/synonyms>.
MLASmart Define. "drab thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/drab/thesaurus/synonyms>