Used to indicate the high degree of activity in the subject's actions, suggesting a level of busy engagement. The workers were busily hustling to meet the deadline.
Pro Tip 2/3
Positive Connotation
Conveys a positive impression of someone's dedication or diligence in their activities. He was busily involved in volunteer work.
Pro Tip 3/3
Time Involvement
Implies that considerable time is being spent on the activity at hand. She spent her afternoon busily researching for her essay.