Similar word to infamous:

abominable, atrocious, base, caitiff, contemptible, corrupt, degenerate, despicable, detestable, disgraceful, dishonorable, disreputable, egregious, evil, flagitious, foul, hateful, heinous, ignominious, ill-famed, iniquitous, loathsome, miscreant, monstrous, nefarious, noto