Definition of horror, as defined by Merriam Webster
hor·ror | \ ˈhȯr-ər , ˈhär- \
1a: painful and intense fear, dread, or dismay, b: intense aversion or repugnance.
2a: the quality of inspiring horror : repulsive, horrible, or dismal quality or character. b: something that inspires horror. 3: horrors plural: a state of extreme apprehension.