287 entries under adjective topic. ×

3
subdued(quiet, soft, low)
2
crackpot(foolish, impractical, half-baked, doomed)
2
faint(quiet, soft, still, shaky)
2
heavy(dull, silly, stupid, impassive)
2
laughable(dull, unintelligent, witless)
2
noiseless(close, quiet, soft, low)
2
bone-headed
2
clammed up(verb, expression, phrasal verb, close)
2
crass
2
credulous(silly, stupid, green, fat)
2
dippy
2
hare-brained
2
hush(verb, calm, dull, close)
2
hushed(close, quiet, soft, low)
2
inexperienced(silly, stupid, green, fat)
2
leaden
2
lunatic(foolish, crazy, insane, unintelligent)
2
meekest(calm, quiet, humble, shy)
2
mousy(quiet, soft, still, speak)
2
muffled(close, quiet, soft, low)
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APASmart Define. (2016). dumb thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms
ChicagoSmart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, dumb thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>.
MLASmart Define. "dumb thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms>