128 entries under dull topic. ×

1
deficient(adjective, silly, foolish, stupid)
1
dummy(adjective, unintelligent, witless)
1
dummy up(verb, expression, phrasal verb, calm)
1
gag(verb, calm, quiet, suppress)
1
gullible(adjective, simple, slow, silly)
1
ill-advised(foolish, stupid, unintelligent, witless)
1
indiscreet(impulsive, impractical, unintelligent, half-baked)
1
meaningless(adjective, silly, foolish, stupid)
1
muffle(verb, calm, quiet, suppress)
1
muzzle(verb, calm, quiet, suppress)
1
pointless(silly, foolish, stupid, unintelligent)
1
quash(verb, calm, quiet, suppress)
1
quieten(verb, calm, quiet, suppress)
1
shallow(adjective, simple, slow, silly)
1
shut up(verb, expression, calm, quiet)
1
soft-pedal(verb, calm, quiet, suppress)
1
squelch(noun, verb, calm, quiet)
1
stifle(verb, calm, quiet, suppress)
1
subdue(verb, calm, quiet, suppress)
1
suppress(verb, calm, quiet, still)
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APASmart Define. (2016). dumb thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms
ChicagoSmart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, dumb thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>.
MLASmart Define. "dumb thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms>