"Quash the charge" refers to the dismissal of a legal accusation against someone. Though the phrase may appear fixed, there are several synonyms that can be used to convey a similar meaning. Some common alternative phrases include "dismiss the case," "drop the charges," "throw out the lawsuit," and "invalidate the accusation." Additionally, one can also use more colloquial phrases, such as "clear one's name," "prove one's innocence," or "win the case." Whatever term is used, the notion remains the same: the accusation has been rendered null and void, and the accused party has been cleared of any wrongdoing.