The phrase "breaks heart" can be defined as causing extreme emotional pain, sorrow, or grief. Antonyms for this phrase could include "mends heart," meaning to heal emotional wounds and bring happiness and peace, "rejoices heart," indicating joy and happiness, and "fills heart," implying a sense of fulfillment and contentment. Other antonyms could include "calms heart," which means to soothe and comfort, and "delights heart," suggesting great pleasure and satisfaction. These words represent opposite emotions and provide a stark contrast to the pain and sadness associated with heartbreak. Therefore, they serve as powerful tools for emotional healing and personal growth.