96 entries under dull topic. ×

3
blunt(adjective, heavy, stupid, impassive)
3
brainless(adjective, simple, slow, silly)
3
imperceptive(adjective, insensitive, simple-minded, dull-witted)
3
loutish(adjective, boorish)
3
numskulled(adjective, simple, slow, stupid)
3
simple-minded(adjective, simple, slow, silly)
3
vacuous(adjective, simple, slow, stupid)
3
witless(adjective, simple, slow, silly)
2
asinine(adjective, simple, silly, foolish)
2
besotted(adjective, simple, slow, stupid)
2
birdbrained(adjective, innocent, unfamiliar, unconscious)
2
idiotic(adjective, simple, slow, silly)
2
imbecile(adjective, simple, silly, stupid)
2
inane(adjective, simple, slow, silly)
2
senseless(adjective, simple, slow, silly)
2
silly(adjective, simple, foolish, stupid)
2
stupefied(adjective, unintelligent, witless)
2
thick-headed(silly, foolish, stupid, unintelligent)
2
turbid(adjective, set, solid, heavy)
2
uncomprehending(adjective, insensitive, simple-minded, dull-witted)
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APASmart Define. (2015). dense thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dense/thesaurus/synonyms
ChicagoSmart Define. 2015. "dense thesaurus" https://smartdefine.org/dense/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, dense thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dense/thesaurus/synonyms>.
MLASmart Define. "dense thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/dense/thesaurus/synonyms>