adjective
1.
having an extremely and deservedly bad reputation
one of the most infamous of the dictator's henchmen
Synonyms: ill-famed, notorious, opprobrious
Related Word: abominable, atrocious, evil, hateful, heinous, iniquitous, odious, scandalous, vile, villainous; contemptible, despicable, scurvy, sorry
Contrasted words: distinguished, eminent, esteemed, honored, illustrious, notable, prestigious, reputable
2.
Synonyms: vicious 2, corrupt, degenerate, flagitious, miscreant, nefarious, perverse, rotten, unhealthy, villainous
Related Word: disgraceful, disreputable, ignominious, shameful
Contrasted words: glorious, splendid, sublime
Antonyms: illustrious