The Oxford Thesaurus An A-Z Dictionary of Synonyms - infamousadj.

1) notorious, disreputable, ill-famed, stigmatized, scandalous, discreditable, dishonourable, ignominious: So this is the infamous house where the murders took place! 2 bad, awful, wicked, evil, iniquitous, villainous, heinous, vile, abominable, outrageous, execrable, abhorrent, opprobrious, despicable, loathsome, detestable, odious, foul, scurvy, rotten, atrocious, flagitious, revolting, monstrous, egregious, base, low, shameful, disgraceful: A number of infamous criminals are portrayed in the Chamber of Horrors.