8
everyday(adjective, simple, plain, pure, common)
8
insensate(noun, adjective, simple, attitude, slow)
8
lusterless(adjective, beat, light, simple, flat)
8
mitigate(verb, check, reduce, release, ease)
8
mousy(adjective, quiet, gloomy, ordinary, grim)
8
passive(adjective, calm, flat, careless, indifferent)
8
prolix(adjective, loose, dry, boring, tedious)
8
relieve(verb, check, reduce, release, ease)
8
repetitious(adjective, hard, stupid, dry, boring)
8
softened(adjective, weak, soft, gentle, mild)
8
stifle(verb, calm, quiet, reduce, diminish)
8
tarnish(verb, action, reduce, diminish, lower)
8
thickheaded
8
unintelligent(adjective, simple, slow, silly, foolish)
8
unsharpened(adjective, sharp, round, blunt, altered)
8
usual(adjective, ordinary, boring, uninteresting, quiet)
8
wishy-washy(adjective, light, weak, soft, plain)
7
becloud(verb, clear, reduce, lower, confuse)
7
pointless(adjective, weak, simple, sharp, slow)
7
allay(verb, stop, check, reduce, release)
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APASmart Define. (2016). dull thesaurus. Retrieved February 23, 2019, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed February 23, 2019).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 23 February, 2019, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 23 February 2019. <https://smartdefine.org/dull/thesaurus/synonyms>