Definitions

1. noun

a person of severely subnormal intelligence

“He was called an imbecile due to his inability to perform daily tasks.”

2. noun

a person who acts foolishly or stupidly

“The politician was criticized for acting like an imbecile during the debate.”

3. adjective

having severely subnormal intelligence

“The child was considered an imbecile by the doctor due to his developmental delays.”