Main Entry: im·be·cile

Pronunciation: \ˈim-bə-səl, -ˌsil\

Function: noun

Etymology: French imbécile, noun, from adjective, weak, weak-minded, from Latin imbecillus

Date: 1802

1 usually offensive : a person affected with moderate mental retardation
2 : fool, idiot

— imbecile or im·be·cil·ic \ˌim-bə-ˈsi-lik\ adjective