duly /ˈduli/ adverb2 •In a due, fit, or becoming manner; as it ought to be; suitably; properly.The citizen's concern was duly noted in the meeting minutes. •Regularly; at the proper time.The inquest on keeper Davidson was duly held, and at the commencement seemed likely to cause Tony Palliser less anxiety than he had expected. — 1907 formsmore duly · most duly