watch and ward noun 2verb 1forms 3 noun2 •Uninterrupted vigilance.The narrow seas around these isles, where British admirals keep watch and ward upon the marches of the Atlantic Ocean, are subject to the turbulent sway of the West Wind. — 1904 •(historical) The charge or care of certain officers to keep a watch by night and a guard by day in towns, cities, and other districts, for the preservation of the public peace. verb1 •To keep constant watch overwe might have been carried in swift safety, and watched and warded by well-paid pointsmen, for half the present fares — 1894 formswatched and warded · watching and warding · watches and wards