169 entries under tedious topic. ×

1
milk-and-water(adjective, dull, weak, plain, mild)
1
moth-eaten(adjective, dull, flat, stupid, dead)
1
muted(adjective, dull, weak, dark, gloomy)
1
nerdy(adjective, dull, weak, plain, mild)
1
oft-repeated(adjective, flat, ordinary, dry, boring)
1
onerous(adjective, dull, boring, irritating)
1
oppressive(adjective, dull, gloomy, miserable, boring)
1
out-of-date(adjective, flat, ordinary, dry, boring)
1
overlong(slow, constant, abundant, unrestrained)
1
pabulum(adjective, dull, weak, simple, plain)
1
plebeian(adjective, dull, simple, flat, plain)
1
pointless(adjective, dull, weak, flat, ordinary)
1
prolonged(adjective, slow)
1
redundant(adjective, regular, boring, normal)
1
reiterative(adjective, regular, boring, normal)
1
sapless(adjective, dull, weak, plain, mild)
1
strenuous(adjective, dull, boring, irritating)
1
tasteless undistinctive(expression, dull, weak, plain, mild)
1
too much(expression, adjective, dull, boring)
1
tough(adjective, dull, boring, irritating)
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APASmart Define. (2015). monotonous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/monotonous/thesaurus/synonyms
ChicagoSmart Define. 2015. "monotonous thesaurus" https://smartdefine.org/monotonous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, monotonous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/monotonous/thesaurus/synonyms>.
MLASmart Define. "monotonous thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/monotonous/thesaurus/synonyms>