133 entries under tedious topic. ×

2
nothing(adjective, dull, weak, smooth, simple)
2
nowhere(adjective, dull, cool, weak, simple)
2
pabulum(adjective, dull, weak, smooth, simple)
2
platitudinous(adjective, dull, set, hard, simple)
2
prolix(adjective, stupid, ordinary, dry, boring)
2
stereotyped(adjective, dull, set, hard, silly)
2
unstimulating(adjective, dull, weak, plain, mild)
2
wearing(adjective, dull, boring, irritating)
2
well-worn(adjective, dull, set, hard, silly)
2
zero(adjective, dull, weak, simple, low)
1
abused(adjective, stupid, ordinary, dry, boring)
1
annoying(adjective, dull, boring, irritating)
1
archaic(adjective, stupid, ordinary, dry, boring)
1
arduous(adjective, dull, boring, irritating)
1
big yawn(expression, adjective, dull, ordinary, dry)
1
bit much(expression, dull, irritating, annoying)
1
boresome(adjective, dull, boring, irritating)
1
burdensome(adjective, dull, boring, irritating)
1
demanding(adjective, dull, boring, irritating)
1
difficult(adjective, dull, boring, irritating)
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APASmart Define. (2016). flat thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/flat/thesaurus/synonyms
ChicagoSmart Define. 2016. "flat thesaurus" https://smartdefine.org/flat/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, flat thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/flat/thesaurus/synonyms>.
MLASmart Define. "flat thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/flat/thesaurus/synonyms>