99 entries under tedious topic. ×

4
heavy(adjective, dull, quiet, weak, easy)
4
monotone(adjective, dull, dark, gloomy, ordinary)
4
prosaic(adjective, dull, weak, simple, flat)
4
soporific(adjective, dull, quiet, flat, slow)
4
spiritless(adjective, dull, weak, easy, sad)
4
unexciting(adjective, dull, quiet, weak, flat)
3
arid(adjective, dull, flat, ordinary, dry)
3
banal(adjective, dull, weak, simple, plain)
3
banausic(adjective, dull, ordinary, boring, routine)
3
colorless(adjective, dull, weak, simple, flat)
3
dismal(adjective, dull, flat, ordinary, dry)
3
draggy(adjective, dull, quiet, weak, simple)
3
long-winded(adjective, dull, boring)
3
plodding(adjective, dull, ordinary, boring, routine)
3
unimaginative(adjective, dull, simple, flat, plain)
3
watery(adjective, dull, weak, flat, plain)
3
wearisome(adjective, dull, simple, boring, routine)
2
common(adjective, dull, simple, flat, plain)
2
commonplace(adjective, dull, simple, flat, plain)
2
dull as dishwater(expression, adjective, idiom, dull, weak)
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APASmart Define. (2016). blah thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/blah/thesaurus/synonyms
ChicagoSmart Define. 2016. "blah thesaurus" https://smartdefine.org/blah/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, blah thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/blah/thesaurus/synonyms>.
MLASmart Define. "blah thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/blah/thesaurus/synonyms>