Which word describes a place full of energetic and noisy activity?

The word "bustling" is an excellent choice to describe a place that is full of energetic and noisy activity. This term conveys a sense of lively movement and a vibrant atmosphere, often characterized by crowds, various sounds, and a general sense of busyness. A bustling environment typically suggests that many people are engaged in activities, creating a dynamic and sometimes chaotic scene.

In contrast, the other options reflect states of calmness or inactivity. "Quiet" suggests a lack of noise and activity, which is the opposite of the energetic environment described in the question. "Static" indicates a lack of movement or change, while "tranquil" evokes peace and serenity, both of which are antonyms to the idea of a bustling place. Therefore, "bustling" stands out as the most accurate descriptor for an environment filled with energetic and noisy activity.