imbecile (n.)
- ament
- amputee
- ass
- asthenic
- babbling
- backward
- chicken
- clot
- crazy
- cretin
- cripple
- deformity
- dithering
- donkey
- faint
- floppy
- fool
- golem
- gone
- goofy
- half-wit
- idiot
- jackass
- jerk
- limber
- limp
- loony
- mad
- mongoloid
- moron
- natural
- nincompoop
- ninny
- paralytic
- paraplegic
- quadriplegic
- retarded
- rubbery
- silly
- simple
- simpleton
- slack
- slow
- stupid
- subnormal
- tomfool
- weak
- wet
- zany
imbecile (adj.)
- anemic
- apish
- asinine
- ass
- asthenic
- backward
- batty
- beguiled
- besotted
- bloodless
- brainless
- buffoonish
- burbling
- chicken
- cockeyed
- cowardly
- crackbrained
- cracked
- crazy
- credulous
- cretinous
- daft
- dazed
- debilitated
- defective
- dim-witted
- dizzy
- doting
- drooping
- droopy
- dull
- dumb
- effete
- etiolated
- faint
- fatuous
- feeble
- feebleminded
- flabby
- flaccid
- flaky
- floppy
- fond
- foolish
- fuddled
- futile
- gaga
- gone
- goofy
- gutless
- half-baked
- half-witted
- idiotic
- imbecilic
- impotent
- inane
- incapable
- inept
- infatuated
- insane
- kooky
- languid
- languorous
- limber
- limp
- listless
- loony
- mad
- maudlin
- mongoloid
- moronic
- natural
- nerveless
- nutty
- paralytic
- paraplegic
- powerless
- retarded
- rubbery
- sapless
- sappy
- screwy
- senseless
- sentimental
- silly
- simple
- slack
- slow
- slow-witted
- soft
- spineless
- stupid
- subnormal
- thoughtless
- unhardened
- unnerved
- unstrung
- wacky
- weak
- weakly
- wet
- witless
- zany