imbecile
Cross references: 1. fool im.be.cile or im.be.cil.ic \'im-b*-s*l, -.sil\ \.im-b*-'sil-ik\ \'im-b*-s*(l)-le-, -.sil-le-\ n [F imbe`cile, fr. imbe`cile weak, weak-minded, fr. L imbecillu]s 1: a mentally deficient person; esp : a feebleminded person having a mental age of three to seven years and requiring supervision in the performance of routine daily tasks of caring for himself 2: FOOL, IDIOT - im.be.cil.e aj