Being "booked up" can often feel overwhelming and even frustrating, especially when you're trying to schedule important appointments or activities. Luckily, there are a range of synonyms for this common phrase that can help you get your point across without feeling like your schedule is completely out of your control. Some great options include "fully scheduled," "completely occupied," "off the table," "unavailable," "at capacity," "overcommitted," and "preoccupied." Whether you're trying to let someone know that you just can't fit something into your schedule or are simply looking for new ways to express your busy lifestyle, these synonyms can help you do so with clarity and ease.