The term 'CAUSING HORROR AND REVULSION' can be summarized by the word 'GRISLY'. GRISLY is an adjective used to describe something that is gruesome, shocking, and horrifying. It is often used to describe a scene or situation that is particularly disturbing or revolting. For example, a GRISLY murder scene would be one that is filled with blood and gore, and would likely cause horror and revulsion in those who witness it.