There are numerous synonyms for the phrase "be rich in," which means to have an abundance of something. Some popular synonyms include "abound in," "overflow with," and "teem with." Other synonyms for this phrase include "brimming with," "bursting with," "swarming with" and "jam-packed with." These descriptions can be used to describe a variety of things, including a location, such as a forest or garden, or a person's characteristics, like talents or skills. Whether it's describing the richness of a food or an individual's life experiences, the variety of synonyms for "be rich in" emphasize the vastness and abundance of whatever it is they are describing.