224 entries under adjective topic. ×

9
nonsensical(foolish, crazy, mad, odd)
9
unwise(weak, simple, careless, silly)
9
wacky(informal, foolish, crazy, mad)
8
empty-headed(careless, indifferent, silly, foolish)
8
imbecilic(dull, weak, simple, slow)
8
irrational(weak, simple, careless, silly)
8
nutty(weak, simple, silly, foolish)
8
thoughtless(careless, indifferent, silly, foolish)
7
absurd(foolish, crazy, mad, odd)
7
daffy(weak, simple, slow, silly)
7
imbecile(dull, simple, silly, foolish)
7
inane(dull, simple, slow, careless)
7
insane(weak, simple, silly, foolish)
7
insensate(dull, simple, ability, slow)
7
lunatic(foolish, crazy, mad, odd)
7
obtuse(dull, simple, slow, careless)
7
thick(dull, simple, slow, silly)
7
weak-minded(ability, planned)
6
dippy(weak, simple, silly, foolish)
6
feeble-minded(simple, slow, foolish, stupid)
11 years ago|20k views|share |citing 
APASmart Define. (2015). witless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/witless/thesaurus/synonyms
ChicagoSmart Define. 2015. "witless thesaurus" https://smartdefine.org/witless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, witless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/witless/thesaurus/synonyms>.
MLASmart Define. "witless thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/witless/thesaurus/synonyms>