Synonyms|3.2kAntonyms|1.3k|Broader|61Narrower|58Related|3.9k

161 entries under simple topic. ×

7
imbecilic(adjective, slow, foolish, stupid)
7
matter-of-fact(adjective, calm, excite, plain)
7
simple-minded(adjective, ability, slow, silly)
7
stupefied(adjective, slow, stupid, trivial)
7
undistinguished(adjective, ordinary, incompetence, dullard)
6
idiotic(adjective, slow, silly, foolish)
6
senseless(adjective, slow, careless, silly)
6
unexceptional(adjective, ordinary, commonplace, everyday, unremarkable)
6
witless(adjective, careless, silly, foolish)
5
imbecile(adjective, slow, silly, foolish)
5
inane(adjective, weak, careless, silly)
5
normal(adjective, ordinary, mean, pure)
5
unadorned(adjective, plain, pure, ordinary)
5
weariful(adjective, excite, boring, dreary)
4
garden-variety(adjective, mean, plain, indifferent)
4
hebetudinous(adjective, slow, heavy, apathetic)
4
inferior(adjective, mean, plain, common)
4
mindless(adjective, slow, careless, silly)
4
rough(verb, adjective, nasty, low)
4
silly(adjective, flat, careless, foolish)
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APASmart Define. (2016). dull thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms>