Total loss of reputation; public disgrace; dishonor; ignominy; indignity.

A quality which exposes to disgrace; extreme baseness or vileness; as, the infamy of an action.

That loss of character, or public disgrace, which a convict incurs, and by which he is at common law rendered incompetent as a witness.

a state of extreme dishonor; "a date which will live in infamy"- F.D.Roosevelt; "the name was a by-word of scorn and opprobrium throughout the city"

evil fame or public reputation

Infamy, in common usage, is notoriety gained from a negative incident or reputation (as opposed to fame). The word stems from the Latin infamia, antonym of fama (fame).