166 entries under dull topic. ×

11
blunt(adjective, quality, stupid, impassive)
11
dismal(adjective, upset, bad, severe)
11
tough(noun, adjective, good, person)
10
cloudy(adjective, nature, dark, gloomy)
10
depressed(adjective, state, quiet, flat)
10
difficult(adjective, hard, tough, severe)
10
dreary(adjective, bad, flat, warm)
10
lethargic(adjective, quiet, weak, easy)
9
downcast(adjective, state, gloomy, miserable)
9
inert(adjective, upset, quiet, weak)
9
languid(adjective, weak, easy, slow)
9
stodgy(adjective, solid, substantial, rich)
9
sullen(adjective, upset, sad, slow)
9
tiresome(adjective, tough, flat, difficult)
8
apathetic(adjective, quiet, weak, easy)
8
drowsy(adjective, quiet, easy, slow)
8
flat(adjective, ordinary, dry, boring)
7
inactive(adjective, quiet, weak, easy)
7
lumpish(adjective, easy, slow, heavy)
7
sleepy(adjective, quiet, easy, slow)
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APASmart Define. (2016). heavy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 26 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>