The phrase "out-herod Herod" means to surpass someone in cruelty or excess. Some synonyms for this phrase could be "outdo," "exceed," "surpass," "outstrip," or "outshine." These words convey the idea of going beyond what is expected or acceptable in terms of behavior or actions. Other related phrases include "go too far," "push the envelope," or "cross the line." Whether in literature, politics, or personal relationships, there are always individuals who seek to outdo others in their ruthless pursuit of power or influence. Recognizing and calling out this behavior is important for holding individuals accountable and promoting healthy and ethical behavior.