idiot

ID'IOT, n.[L. idiota; Gr. private,vulgar,unskilled, peculiar, that is, separate, simple. See Idiom.]

1. A natural fool or fool from his birth; a human being in form, but destitute of reason, or the ordinary intellectual powers of man.

A person who has understanding enough to measure a yard of cloth, number twenty correctly, tell the days of the week, &c., is not an idiot in the eye of the law.

2. A foolish person; one unwise.