idiotic (adj.)

• apish
• asinine
• backward
• batty
• beguiled
• besotted
• brainless
• buffoonish
• burbling
• cockeyed
• crackbrained
• cracked
• crazy
• credulous
• cretinous
• daft
• dazed
• dizzy
• doting
• dumb
• fatuous
• flaky
• fond
• foolish
• fuddled
• futile
• gaga
• goofy
• half-baked
• half-witted
• imbecile
• imbecilic
• inane
• inept
• infatuated
• insane
• kooky
• loony
• mad
• maudlin
• mongoloid
• moronic
• nutty
• retarded
• sappy
• screwy
• senseless
• sentimental
• silly
• simple
• stupid
• subnormal
• thoughtless
• wacky
• wet
• witless