Definitions
1.AdjectiveHaving a bad reputation; disreputable; notorious; unpleasant or evil; widely known, especially for something scornful."He was an infamous traitor.; She is infamous for perjury."
2.AdjectiveCausing infamy; disgraceful."This infamous deed tarnishes all involved."
3.AdjectiveSubject to a judicial punishment depriving (the person) of certain rights (e.g. the rights to hold public office, exercise the franchise, receive a public pension, serve on a jury, or give testimony in a court of law).
4.AdjectivePunishable by death or imprisonment.