244 entries under dull topic. ×

1
moth-eaten(adjective, flat, stupid, dry)
1
nerdy(adjective, weak, plain, mild)
1
off(late, behind)
1
onerous(adjective, hard, difficult, boring)
1
oppressive(adjective, hard, difficult, gloomy)
1
pabulum(adjective, weak, simple, flat)
1
plebeian(adjective, simple, flat, plain)
1
reduced(late, behind)
1
sapless(adjective, weak, plain, mild)
1
simple(adjective, slow, plain, stupid)
1
strenuous(adjective, hard, difficult, boring)
1
tasteless undistinctive(expression, weak, plain, mild)
1
toneless(adjective, boring, routine, dreary)
1
too much(expression, adjective, boring, irritating)
1
tough(adjective, hard, rough, difficult)
1
uncool(adjective, boring, irritating, annoying)
1
unhappy(gloomy, miserable)
1
unproductive(late, behind)
1
unprogressive(late, behind)
1
usual thing(expression, adjective, flat, ordinary)
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APASmart Define. (2015). tedious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tedious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tedious thesaurus" https://smartdefine.org/tedious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tedious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tedious/thesaurus/synonyms>.
MLASmart Define. "tedious thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/tedious/thesaurus/synonyms>