Looking for the meaning or definition of the word imbecile? Here's what it means.
Noun
(obsolete) A person with limited mentalcapacity who can perform tasks and think only like a young child, in medical circles meaning a person who lacks the capacity to develop beyond the mental age of a normal five to seven-year-old child.
(pejorative) A fool, an idiot.
Adjective
(dated) Destitute of strength, whether of body or mind; feeble; impotent; especially, mentally weak.