122 entries under monotonous topic. ×

13
commonplace(adjective, dull, simple, flat, plain)
13
heavy(adjective, dull, severe, flat, difficult)
12
dead(adjective, dull, weak, simple, flat)
12
jejune(adjective, dull, weak, flat, ordinary)
12
ordinary(adjective, boring, dull, flat, dry)
12
soporific(adjective, dull, flat, ordinary, dry)
12
unexciting(adjective, dull, weak, plain, mild)
11
arid(adjective, dull, flat, stupid, ordinary)
11
drab(adjective, dull, weak, simple, plain)
11
fatiguing(adjective, dull, boring, irritating)
11
prolix(noun, adjective, flat, ordinary, dry)
11
routine(noun, adjective, dull, weak, simple)
11
uninspiring(adjective, dull, flat, dry, boring)
10
repetitious(adjective, dull, flat, stupid, ordinary)
10
stale(adjective, dull, weak, simple, flat)
10
tame(adjective, dull, weak, simple, flat)
9
prosy(adjective, dull, weak, simple, flat)
9
run-of-the-mill(adjective, dull, flat, ordinary, dry)
9
uneventful(adjective, dull, simple, low, plain)
9
unimaginative(adjective, dull, simple, flat, plain)
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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>