Very grievous or violent; terrible; as, atrocious distempers.

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"

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"

Extremely heinous; full of enormous wickedness; as, atrocious guilt or deeds.

Characterized by, or expressing, great atrocity.