| adjective | extremely wicked, deeply criminal “a flagitious crime” |
| adjective | shockingly brutal or cruel “murder is an atrocious crime” |
| heinousness | noun | the quality of being shockingly cruel and inhumane |
| atrocity | noun | the quality of being shockingly cruel and inhumane |
| atrociousness | noun | the quality of being shockingly cruel and inhumane |
| monster | noun | a cruel wicked and inhuman person |
| monstrosity | noun | something hideous or frightful |