66 entries under simple topic. ×

12
ordinary(adjective, boring, dull, flat, dry)
11
drab(adjective, dull, weak, plain)
11
routine(noun, adjective, dull, weak)
11
uninspiring(adjective, dull, flat, dry, boring)
10
stale(adjective, dull, weak, flat)
10
tame(adjective, dull, weak, flat)
9
prosy(adjective, dull, weak, flat)
9
uneventful(adjective, dull, low, plain)
9
unimaginative(adjective, dull, flat, plain)
8
mundane(adjective, boring, dull, stupid, lifeless)
8
pedestrian(adjective, dull, plain, heavy)
7
blah(adjective, dull, weak, flat)
7
stupid(adjective, dull, flat, slow)
7
trite(adjective, dull, flat, plain)
7
weariful(adjective, dull, excite, boring)
6
common(adjective, boring, dull, flat, ordinary)
5
hackneyed(adjective, dull, flat, plain)
4
dusty(adjective, dull, boring, dreary)
4
lackluster(adjective, dull, flat, plain)
3
bromidic(adjective, dull, stupid, boring)
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APASmart Define. (2015). tedious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tedious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedious thesaurus" https://smartdefine.org/tedious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tedious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tedious/thesaurus/synonyms>.
MLASmart Define. "tedious thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/tedious/thesaurus/synonyms>