adj branded with infamy by conviction of a crime; as, at common law, an infamous person can not be a witness.
2. infamous ·adj causing or producing infamy; deserving detestation; scandalous to the last degree; as, an infamous act; infamous vices; infamous corruption.
3. infamous ·adj having a bad name as being the place where an odious crime was committed, or as being associated with something detestable; hence, unlucky; perilous; dangerous.
4. infamous ·adj of very bad report; having a reputation of the worst kind; held in abhorrence; guilty of something that exposes to infamy; base; notoriously vile; detestable; as, an infamous traitor; an infamous perjurer.