in·fa·mous /ˈɪnfəməs/
  (a.)無恥的,不名譽的,聲名狼藉的
  In·fa·mous a.
  1. 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.
     False errant knight, infamous, and forsworn.   --Spenser.
  2. Causing or producing infamy; deserving detestation; scandalous to the last degree; as, an infamous act; infamous vices; infamous corruption.
  3. Law Branded with infamy by conviction of a crime; as, at common law, an infamous person can not be a witness.
  4. 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. “Infamous woods.”
     Infamous hills, and sandy perilous wilds.   --Milton.
  The piny shade
  More infamous by cursed Lycaon made.   --Dryden.
  Syn: -- Detestable; odious; scandalous; disgraceful; base; vile; shameful; ignominious.
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  infamous
       adj : having an exceedingly bad reputation; "a notorious
             gangster"; "the tenderloin district was notorious for
             vice" [syn: ill-famed, notorious]