atrocious in WordNet English dictionary

1. exceptionally bad or displeasing
   "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"
   atrocious  abominable  awful  dreadful  painful  terrible  unspeakable 
   
2. provoking horror
   "an atrocious automobile accident"; "a frightful crime of decapitation"; "an alarming, even horrifying, picture"; "war is beyond all words horrible"- Winston Churchill; "an ugly wound"
   atrocious  frightful  horrifying  horrible  ugly 
   
3. shockingly brutal or cruel
   "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"
   atrocious  flagitious  grievous  monstrous