How do you spell Infamy

Available Definitions:
1)  n. - Total loss of reputation; public disgrace; dishonor; ignominy; indignity.
2)  n. - A quality which exposes to disgrace; extreme baseness or vileness; as, the infamy of an action.
3)  n. - That loss of character, or public disgrace, which a convict incurs, and by which he is at common law rendered incompetent as a witness.