"Hold up to scorn" is a phrase that means to publicly ridicule or criticize someone, often harshly. There are several synonyms that can be used to convey the same meaning, including "mock," "deride," "ridicule," "lampoon," "taunt," and "jeer." These words all suggest contempt or disdain for the person being criticized. Other synonyms for "hold up to scorn" might include "belittle," "disparage," "scorn," or "condemn." When using any of these words, it's important to consider the tone and context of the situation, as some of them may come across as too harsh or aggressive in certain circumstances.