170 entries under adjective topic. ×

3
boneheaded(simple, slow, silly, stupid)
3
clueless
3
crackpot(foolish, impractical, half-baked, doomed)
3
cushion-witted
3
dense(dull, simple, slow, silly)
3
harebrained(weak, simple, careless, silly)
3
illiterate(silly, stupid, green, fat)
3
jerky(weak, simple, silly, foolish)
3
ludicrous(dull, weak, simple, silly)
3
ridiculous(weak, simple, silly, foolish)
3
short-sighted(weak, simple, silly, foolish)
3
simple-minded(simple, slow, silly, stupid)
3
simpleminded(dull, simple, silly, foolish)
3
slow(dull, simple, silly, foolish)
3
slow-witted(slow, stupid)
3
soft(silly, stupid, green, fat)
3
stolid(dull, simple, slow, foolish)
3
tomfool
3
uneducated(silly, stupid, green, fat)
3
unthoughtful
10 years ago|15k views|share |citing 
APASmart Define. (2016). brainless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/brainless/thesaurus/synonyms
ChicagoSmart Define. 2016. "brainless thesaurus" https://smartdefine.org/brainless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, brainless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/brainless/thesaurus/synonyms>.
MLASmart Define. "brainless thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/brainless/thesaurus/synonyms>