400 entries under adjective topic. ×

2
ponderous
2
prolix(flat, stupid, ordinary, dry)
2
prosy(dull, weak, simple, flat)
2
quiet(dull, flat, slow, heavy)
2
repetitious(dull, flat, ordinary, dry)
2
routine(dull, quiet, simple, flat)
2
slack(dull, quiet, flat, slow)
2
sleepy(dull, quiet, slow, informal)
2
sleepyhead(dull, quiet, weak, easy)
2
slothful(dull, quiet, flat, low)
2
somnolent(dull, quiet, slow, relaxed)
2
stale(dull, weak, simple, flat)
2
stiff(dull, slow, heavy, sluggish)
2
stodgy
2
stuffy
2
stupefied(dull, stupid, idle, weary)
2
stupid(dull, flat, ordinary, dry)
2
supine(dull, weak, easy, slow)
2
tame(dull, weak, simple, flat)
2
tired(dull, flat, slow, indifferent)
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APASmart Define. (2016). blah thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/blah/thesaurus/synonyms
ChicagoSmart Define. 2016. "blah thesaurus" https://smartdefine.org/blah/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, blah thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/blah/thesaurus/synonyms>.
MLASmart Define. "blah thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/blah/thesaurus/synonyms>