224 entries under adjective topic. ×

3
illogical
3
loopy(foolish, crazy, mad, odd)
3
pointless(dull, silly, foolish, stupid)
3
shallow(simple, slow, silly, stupid)
3
simple-minded(simple, slow, silly, foolish)
3
slow(dull, simple, silly, foolish)
3
slow-witted
3
soft-witted
3
stolid(dull, simple, slow, foolish)
3
unperceiving
3
unsane(crazy, mad, odd, insane)
2
balmy(crazy, mad, odd, insane)
2
besotted(simple, slow, stupid, boring)
2
bird-brained
2
blind to(expression, innocent, unfamiliar, unconscious)
2
blunt(careless, thoughtless, inconsiderate)
2
cockamamy(silly, foolish, thoughtless, unwise)
2
credulous(silly, stupid, green, fat)
2
deficient(dull, silly, foolish, stupid)
2
feather-brained
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>