喧闹 (xuān nào) is an adjective meaning 'bustling,' 'noisy,' or 'boisterous.' It vividly describes a place or situation filled with loud, energetic activity—often crowds, chatter, music, or commotion. The first character 喧 means 'to clamor' or 'to make a loud noise,' while 闹 means 'to stir up,' 'to be lively and chaotic,' or 'to cause a fuss.' Together, they emphasize not just volume but the animated, sometimes overwhelming energy of a crowded street market, a lively festival, or a packed train station.

This word carries a neutral-to-slightly-negative connotation depending on context: it can evoke vibrant urban life ('a bustling night market') or unpleasant disturbance ('the noisy construction site'). It’s commonly used in descriptive writing, travel narratives, and everyday speech to convey atmosphere—not just sound, but intensity and movement. Unlike simple words for 'loud' (e.g., 大声), 喧闹 implies collective, dynamic noise rooted in human activity.