<p><strong>adjective</strong></p><ul><li>Moving or acting with a great show of energy: "I watched her preparing lunch in the kitchen—a compact, bustling woman of around forty with her hair in a tight bun."</li><li>Abounding or teeming with people or activities that create an atmosphere of energy: "This midwestern city is a bustling hub for business, education, recreation, and government."</li></ul><p><strong>noun</strong></p><ul><li>The act or habit of moving or doing something with a great show of energy: "They were getting ready to leave again—it always happened in the middle of the night, with much bustling and scurrying about."</li></ul>