释怀 (shì huái) is a verb meaning 'to let go'—specifically, to release persistent emotional burdens such as worry, resentment, guilt, or grief. The character 释 (shì) means 'to release', 'to dispel', or 'to explain away', while 怀 (huái) means 'bosom', 'heart', or 'inner feelings'. Together, they evoke the image of unclenching one’s heart and setting down what has been held tightly inside. It implies a conscious, often gradual, emotional release—not mere forgetting, but a shift toward peace or acceptance.

This word is commonly used in reflective, mature, or literary contexts: when someone finally stops dwelling on a past betrayal, stops blaming themselves for a mistake, or moves past long-held sadness. It carries a quiet, dignified tone and is rarely used in casual speech among young people. You’ll often see it in written reflections, self-help discussions, or conversations about healing and personal growth.