A horror movie is a film genre that is designed to elicit fear and terror among its viewers. There are several synonyms for this type of movie, including slasher film, suspense thriller, gothic horror, psychological horror, and splatter film. A slasher film typically features a serial killer who terrorizes and kills people in a gruesome and violent manner. Suspense thrillers create tension and suspense through the use of plot twists and unexpected turns. Gothic horror movies typically feature supernatural elements, while psychological horror delves into the darker aspects of the human psyche. Finally, splatter films focus on graphic violence and gore. All of these synonyms describe the different types of horror movies that can cater to different audiences and preferences.