103 entries under tedious topic. ×

39
dull(adjective, hard, weak, simple, flat)
26
dreary(adjective, dull, blue, sad, unhappy)
24
gloomy(adjective, dull, blue, sad, unhappy)
22
boring(adjective, dull, weak, simple, flat)
20
dingy(adjective, dull, soft, obscure, lead)
16
somber(adjective, calm, dull, quiet, soft)
13
dismal(adjective, dull, soft, obscure, flat)
13
flat(adjective, dull, hard, simple, soft)
11
monotonous(adjective, dull, weak, simple, plain)
11
prosaic(adjective, dull, weak, simple, flat)
10
arid(adjective, dull, excite, stupid, boring)
10
depressing(adjective, dull, blue, sad, unhappy)
9
lifeless(adjective, dull, weak, simple, soft)
9
dispiriting(adjective, dull, unhappy, dark, gloomy)
9
humdrum(adjective, dull, simple, clean, plain)
9
lackluster(adjective, dull, simple, blue, excite)
9
uninteresting(adjective, dull, weak, stupid, boring)
9
vapid(adjective, dull, weak, simple, flat)
8
bleak(adjective, dull, unhappy, dark, gloomy)
8
colorless(adjective, dull, weak, simple, soft)
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APASmart Define. (2016). drab thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/drab/thesaurus/synonyms
ChicagoSmart Define. 2016. "drab thesaurus" https://smartdefine.org/drab/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, drab thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/drab/thesaurus/synonyms>.
MLASmart Define. "drab thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/drab/thesaurus/synonyms>