103 entries under dull topic. ×

4
oafish(adjective, slow, stupid, clumsy)
4
stolid(adjective, slow, foolish, stupid)
4
vacuous(adjective, slow, foolish, stupid)
3
dim(adjective, slow, limited, unintelligent)
3
dimwitted(adjective, silly, stupid, intelligent)
3
fair(adjective, reasonable, clean, plain)
3
insensate(adjective, slow, silly, foolish)
3
puerile(slight, silly, trivial, unintelligent)
3
routine(adjective, clear, easy, plain)
2
blockheaded(slow, stupid)
2
dreary(adjective, uninteresting, ironic, deadpan)
2
half-baked(adjective, weak, slight, slow)
2
household(adjective, plain, usual, humble)
2
indiscreet(weak, silly, foolish, thoughtless)
2
inelaborate(adjective, reasonable, honest, plain)
2
ludicrous(adjective, weak, silly, foolish)
2
trivial(adjective, slight, lower, obscure)
2
weak(adjective, slow, silly, foolish)
1
dummy(limited, unintelligent, witless)
1
futile(adjective, slow, foolish, stupid)
10 years ago|69k views|share |citing 
APASmart Define. (2016). simple thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/simple/thesaurus/synonyms
ChicagoSmart Define. 2016. "simple thesaurus" https://smartdefine.org/simple/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, simple thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/simple/thesaurus/synonyms>.
MLASmart Define. "simple thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/simple/thesaurus/synonyms>