The crossword solution for the term 'BE HAIR-RAISING' is TEASE, which is a five-letter word. Teasing is an act of making fun of someone in a playful manner, often by mocking or ridiculing them. It can also refer to the act of running one's fingers through someone's HAIR, which can BE a pleasurable experience for some people. Teasing can also BE used to describe a situation that is exciting and thrilling, such as a roller coaster ride or a scary movie. In this context, the term 'BE HAIR-RAISING' could BE interpreted to mean something that is exciting and thrilling.