Spinechillers are typically defined as stories or experiences that induce feelings of fear and dread. Synonyms for this term include words like horror, terror, and suspense. Other related terms might include eerie, chilling, and hair-raising. These words all capture the thrilling sensation of being scared, either through creepy visuals or tense plot twists. Other synonyms might include the words creepy, macabre, and unsettling. Overall, there are many different ways to describe spinechillers and the emotions they evoke, which demonstrates the enduring appeal of this popular genre across film, literature, and other mediums.