atrocious atrocious /əˈtroʊʃəs/

adjective

1. Provoking horror  ( atrocious , ugly , horrifying , frightful , horrible )
   provoking horror
    An atrocious automobile accident
   an atrocious automobile accident
    A frightful crime of decapitation
   a frightful crime of decapitation
    An alarming, even horrifying, picture
   an alarming, even horrifying, picture
    War is beyond all words horrible
   war is beyond all words horrible
    An ugly wound
   an ugly wound
   
2. Exceptionally bad or displeasing  ( abominable , atrocious , painful , awful , dreadful , terrible , unspeakable )
   exceptionally bad or displeasing
    Atrocious taste
   atrocious taste
    Abominable workmanship
   abominable workmanship
    An awful voice
   an awful voice
    Dreadful manners
   dreadful manners
    A painful performance
   a painful performance
    Terrible handwriting
   terrible handwriting
    An unspeakable odor came sweeping into the room
   an unspeakable odor came sweeping into the room
   
3. Shockingly brutal or cruel  ( atrocious , flagitious , grievous , monstrous )
   shockingly brutal or cruel
    Murder is an atrocious crime
   murder is an atrocious crime
    A grievous offense against morality
   a grievous offense against morality
    A grievous crime
   a grievous crime
    No excess was too monstrous for them to commit
   no excess was too monstrous for them to commit