1. the quality or state of being ghastly; extreme horror, dread, or repulsiveness

Examples

• The ghastliness of the crime scene shocked the investigators.
• She recoiled at the ghastliness of the decaying mansion.
• The movie's special effects captured the ghastliness of the monster perfectly.
• He spoke with a tone of ghastliness about the accident he had witnessed.
• The ghastliness of the historical atrocity was difficult for students to comprehend.
• The pale, ghastliness of his appearance suggested he was seriously ill.