Addled
Backward
Besotted
Boring
Brainless
Daffy
Daft
Dazed
Deficient
Dense
Dim-witted
Doltish
Dopey
Dull
Dumb
|
Dummy
Feeble-minded
Foolish
Futile
Gullible
Half-baked
Half-witted
Idiotic
Ignorant
Imbecilic
Indolent
Insensate
Mindless
Moronic
Numskulled
|
Obtuse
Scatterbrained
Shallow
Simple-minded
Slow
Sluggish
Stolid
Tedious
Thick
Unintellectual
Unintelligent
Vacuous
Wearisome
Witless
Solution
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