112 entries under tedious topic. ×

1
irksome(adjective, dull, simple, flat, clean)
1
lead balloon(expression, adjective, dull, weak, dead)
1
longwinded(adjective, flat, ordinary, dry, boring)
1
matte(adjective, dull, weak, soft, obscure)
1
mind-numbing(adjective, dull, dry, boring)
1
monotone(adjective, dull, boring, dreary)
1
moth-eaten(adjective, dull, flat, stupid, dead)
1
muted(adjective, dull, weak, soft, obscure)
1
nowhere(adjective, dull, simple, plain, stupid)
1
oft-repeated(adjective, flat, ordinary, dry, boring)
1
out-of-date(adjective, flat, ordinary, dry, boring)
1
platitudinous(adjective, dull, simple, flat, clean)
1
prolix(adjective, flat, ordinary, dry, boring)
1
repetitive(adjective, dull, flat, ordinary, dry)
1
sapless(adjective, dull, weak, dead)
1
soporific(adjective, dull, flat, ordinary, dry)
1
stock(adjective, flat, ordinary, dry, boring)
1
stupid(adjective, dull, flat, ordinary, dry)
1
tired(adjective, dull, beat, flat, dirty)
1
treadmill(adjective, dull, boring, dreary)
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APASmart Define. (2016). colorless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/colorless/thesaurus/synonyms
ChicagoSmart Define. 2016. "colorless thesaurus" https://smartdefine.org/colorless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, colorless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/colorless/thesaurus/synonyms>.
MLASmart Define. "colorless thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/colorless/thesaurus/synonyms>