"Most chock a block" is a phrase used to describe something that is packed or filled to capacity. Synonyms for this phrase include brimming, overflowing, jam-packed, teeming, crammed, and bursting at the seams. Other alternatives include stuffed, chocked full, congested, swarming, packed, and full-to-the-brim. Each of these phrases encapsulates the idea of something being filled to its limit, whether it's a room, container, or schedule. Whatever the context, these synonyms can help add variety to your language, express a more precise meaning, or make your writing more engaging.