Im″be‐cile (?), a. [L. imbecillis, and imbecillus; of unknown origin: cf. F. imbécile.] Destitute of strength, whether of body or mind; feeble; impotent; esp., mentally wea; feeble-minded; as, hospitals for the imbecile and insane.
Syn. — Weak; feeble; feeble-minded; idiotic.