overbusy adjective 1verb 1forms 5 adjective1 •Excessively busy; officious. verb1 •To busy or involve (oneself) too thoroughly in something.Returning to England, he was there imprisoned, some say for overbusying himself in matters of foreign trade. — 1964 formsoverbusied · overbusying · overbusies · more overbusy · most overbusy