Synonyms:
- absolute,
- arrested,
- babbling,
- backward,
- blasted,
- blessed,
- burbling,
- crackbrained,
- cracked,
- crazy,
- cretinistic,
- cretinous,
- dithering,
- downright,
- driveling,
- drooling,
- gross,
- half-baked,
- half-witted,
- idiotic,
- imbecile,
- imbecilic,
- maundering,
- mentally defective,
- mentally deficient,
- mentally handicapped,
- mentally retarded,
- mongoloid,
- moronic,
- not all there,
- out-and-out,
- outright,
- positive,
- rank,
- retarded,
- simple,
- simpleminded,
- simpletonian,
- slobbering,
- subnormal