Synonyms of infamous

1 Syllable
vile, foul, fouls, base, wk
2 Syllables
low-life, flagrant, miscreant, fouled, toucher, heinous, odious, evil, monstrous, rotten, corrupt, vicious, sorry, damndest, foulest, fouler, damned, wicked, well-known, shocking, caitiff, shady, scurvy
3 Syllables
loathsome, egregious, shameful, ignoble, outrageous, notorious, ill-famed, opprobious, blackguardly, flagitious, teratoid, villainous, scurrilous, liverish, atrocious, opprobrious, hardnosed, damnedest, unhealthy, flatitious, praetorian, nefarious, scandalous, hateful, miscreated, lowlife, perverse
4 Syllables
contemptible, disgraceful, ignominious, detestable, questionable, despicable, offensive, iniquitous
5 Syllables
disreputable, dishonorable, degenerate, abominable, degenerated
6 Syllables
vituperatory