舒服 (shū fu) is an adjective meaning 'comfortable' or 'pleasant'—describing a physical or mental state of ease, relief, or well-being. The character 舒 means 'to stretch out', 'to relax', or 'to be at ease', evoking openness and freedom from tension; 服 originally meant 'to submit' or 'to wear', but in this compound it contributes the sense of 'being in harmony with' or 'accepting naturally'. Together, they convey a holistic feeling of bodily comfort and inner calm—like sinking into a warm bath, resting after illness, or enjoying peaceful quiet.

This word is commonly used in everyday speech to describe physical sensations (e.g., temperature, posture, health recovery) and emotional states (e.g., feeling accepted, at peace, or emotionally settled). It’s neutral in register—suitable for casual conversation and polite contexts—but rarely used in formal writing. Note that 舒服 is almost always pronounced as shū fu (with neutral tone on fu), not shū fú.