Example : Murder is an atrocious crime.
A grievous offense against morality.
A grievous crime.
No excess was too monstrous for them to commit.

Synonyms : flagitious, grievous, monstrous

Example : Atrocious taste.
Abominable workmanship.
An awful voice.
Dreadful manners.
A painful performance.
Terrible handwriting.
An unspeakable odor came sweeping into the room.

Synonyms : abominable, awful, dreadful, painful, terrible, unspeakable

Example : An atrocious automobile accident.
A frightful crime of decapitation.
An alarming, even horrifying, picture.
War is beyond all words horrible.
An ugly wound.

Synonyms : frightful, horrible, horrifying, ugly