Squicky is an informal term that describes something that causes feelings of discomfort or disgust. In lieu of using squicky, you can choose from various synonyms. For instance, if you want to refer to something as distasteful, you can use the word nauseating. If you want to express that a situation is awkward or embarrassing, you can opt for cringe-worthy or mortifying. Other words that you may use interchangeably with squicky include repulsive, revolting, and creepy. Whenever you encounter something that makes your senses uneasy, you can use one of these synonyms, depending on the context.