停滯 (tíng zhì) literally combines 停 (‘to stop, halt’) and 滯 (‘to stagnate, become sluggish’), together conveying a state of complete standstill — especially when movement, progress, or flow is expected but absent. It describes situations where development, circulation, growth, or activity has ground to a halt, often with negative connotations of inefficiency, obstruction, or decline.

This word is commonly used in formal or analytical contexts: economics (e.g., economic stagnation), medicine (e.g., blood stagnation or slowed metabolism), technology (system performance bottlenecks), or social progress (e.g., policy implementation delays). Unlike casual terms like 不动 (‘not moving’), 停滯 implies an undesirable, prolonged lack of forward motion — often suggesting underlying problems needing intervention.