Imbecile
Imbecile , adjective
[Latin imbecillis, and imbecillus; of unknown origin: compare French imbécile.]
Destitute of strength, whether of body or mind; feeble; impotent; esp., mentally wea; feeble-minded; as, hospitals for the imbecile and insane.
Imbecile , noun
1.
One destitute of strength; esp., one of feeble mind; -- sometimes used as a pejorative term.
2.
(Psychology) A person with a degree of mental retardation between that of an idiot and a moron; in a former classification of mentally retarded person, it applied to a person with an adult mental age of from four to eight years, and an I.Q. of from 26 to 50.
Imbecile , transitive verb
To weaken; to make imbecile; as, to imbecile men's courage. [Obsolete] — Jer. Taylor