horror noun definition in Disgust topic from the Oxford Advanced Learner's Dictionary

horror

 noun: Disgust topic
[uncountable] a feeling of great shock, fear or disgust People watched in horror as the plane crashed to the ground. With a look of horror, he asked if the doctor thought he had cancer. The thought of being left alone filled her with horror. She recoiled in horror at the sight of an enormous spider. To his horror, he could feel himself starting to cry (= it upset him very much). Her eyes were wide with horror.