There are several synonyms for the phrase "lose your dignity" that can accurately capture the same sentiment. For instance, the phrase "lose face" can be used to describe the same loss of self-respect or honor. Another option is to use the term "shameful" to convey a sense of embarrassment or humiliation. Additionally, "disgraced" can also be used as a synonym to describe a loss of dignity or respect due to one's actions or behavior. Other phrases could include "fall from grace," "discredit yourself," or "lower yourself." Ultimately, choosing the right synonym will depend on the context of the situation and the level of intensity required to convey the intended message.