Synonyms of imbecile

Noun

1. idiot, imbecile, cretin, moron, changeling, half-wit, retard, simpleton, simple

usage: a person of subnormal intelligence

Adjective

1. imbecile, imbecilic, idiotic, retarded (vs. precocious)

usage: having a mental age of three to seven years

Definition and meaning of imbecile (Dictionary)