The Collaborative International Dictionary
Imbecility \Im`be*cil"i*ty\, n.; pl. Imbecilities. [L. imbecillitas: cf. F. imb['e]cillit['e].] The quality of being imbecile; weakness; feebleness, esp. of mind.
Cruelty . . . argues not only a depravedness of nature,
but also a meanness of courage and imbecility of mind.
--Sir W.
Temple.
Note: This term is used specifically to denote natural weakness of the mental faculties, affecting one's power to act reasonably or intelligently.
Syn: Debility; infirmity; weakness; feebleness; impotence. See Debility.
Wiktionary
n. (plural of imbecility English)
Usage examples of "imbecilities".
They are irremovable, but by their own body, for any depravities of conduct, and even by their own body for the imbecilities of dotage.
Excusing, therefore, on these considerations, those passages in the gospels which seem to bear marks of weakness in Jesus, ascribing to him what alone is consistent with the great and pure character of which the same writings furnish proofs, and to their proper authors their own trivialities and imbecilities, I think myself authorised to conclude the purity and distinction of his character, in opposition to the impostures which those authors would fix upon him.