Frightenings is a word used to describe something that causes fear or terror. There are several synonyms for this word, including scary, terrifying, alarming, chilling, creepy, daunting, eerie, hair-raising, menacing, spookish, and unnerving. Each of these words conveys a sense of unease or terror, and can be used to describe anything from a horror movie to a haunted house. Whether you are trying to write a spooky story or simply looking for a new way to describe something that scares you, these synonyms for frightenings are sure to come in handy.