noun a fool; a simpleton;
a term of reproach.
2. idiot ·noun a man in private station, as distinguished from one holding a public office.
3. idiot ·noun an unlearned, ignorant, or simple person, as distinguished from the educated; an ignoramus.
4. idiot ·noun a human being destitute of the ordinary intellectual powers, whether congenital, developmental, or accidental; commonly, a person without understanding from birth; a natural fool; a natural; an innocent.