Commiserate with is a phrase that refers to expressing sympathy or sharing in someone's sorrow or distress. The antonyms for commiserate with include disregard, disown, ignore, and neglect. These are words that imply a lack of understanding or empathy towards someone's situation. Disregard means to ignore or pay no attention to someone's suffering, while disown implies a refusal to accept responsibility or acknowledge their problem. Similarly, ignoring means to intentionally avoid or overlook someone's pain, and neglect means to fail in providing the necessary care or attention. Therefore, using the antonyms of commiserate with can convey a lack of compassion or understanding towards someone's situation.