Synonyms for the phrase "rub off on" include influence, impact, affect, inspire, shape, sway, mould, alter, transform, modify, guide, and imprint. These words emphasize the power of one person's actions or behavior on another. When someone's qualities or characteristics "rub off on" someone else, it means that they are being affected or influenced by their presence or actions. Whether it's positive or negative, these synonyms highlight the profound impact individuals can have on each other. It serves as a reminder of the importance of surrounding ourselves with positive influences as they can shape our thoughts, actions, and overall development.