1. (a.) Destitute of knowledge; uninstructed or uninformed; untaught; unenlightened.

2. (a.) Unacquainted with; unconscious or unaware; -- used with of.

3. (a.) Unknown; undiscovered.

4. (a.) Resulting from ignorance; foolish; silly.

5. (n.) A person untaught or uninformed; one unlettered or unskilled; an ignoramus.