full of activity; demanding; hard; tiring; hectic; eventful; active; on the go; hard-working; hard at it; diligent; in demand; occupied.
Engaged in activity, as work; occupied. Sustaining much activity: a busy morning; a busy street. Meddlesome; prying. Being in use, as a telephone line. Cluttered with detail to the point of being distracting: a busy design.