Spine-tingling is a phrase that is used to describe something that is both thrilling and frightening at the same time. It is often used to convey a sense of excitement and anticipation that is coupled with a feeling of fear or awe. Some synonyms for the word spine-tingling include hair-raising, chilling, goosebump-inducing, eerie, creepy, unsettling, and nerve-wracking. Each of these words carries their own unique connotation and can be used to describe different types of spine-tingling experiences or emotions. Whether it's a frightening encounter or an exciting adventure, these synonyms help to convey the intensity and excitement of spine-tingling experiences.