The phrase "be put upon" means to be taken advantage of or exploited. Some synonyms for this phrase include "be imposed upon," "be pressured," "be burdened," "be taken for granted," and "be exploited." These synonyms are all used to convey the idea of being mistreated or used by others for their own benefit. It is important to recognize when one is being put upon and to stand up for oneself to prevent further mistreatment. By being aware of these synonyms, individuals can better express their feelings and communicate their experiences with others who may also relate to being put upon.