Overpromote refers to aggressively or excessively advertising or promoting something to the point of exaggeration. Synonyms for overpromote include exaggerate, oversell, and hype. These terms imply that a product or service is being promoted beyond its actual benefits or capabilities. Other synonyms for overpromote include embellish, magnify, and amplify. These words suggest that the claims about the product or service may not be entirely accurate or truthful. In contrast, underpromote or undersell is the opposite of overpromote, which implies that the benefits of the product or service are not being fully communicated to potential customers.