The phrase "are full of" is often used to describe when something is abundant or overflowing with a particular quality or characteristic. However, there are a myriad of synonyms that can be used in its place to add variety and depth to your writing. Some examples include "teeming with," "brimming with," "swarming with," "bursting with," "abounding in," "overflowing with," and "laden with." Each of these phrases evoke a slightly different tone and imagery, making them useful for adding nuance to your descriptions. By employing a range of synonyms for "are full of," you can expand your writing and create a more vivid and engaging piece.