(1):
(v. i.) To stay back.
(2):
(n.) Retardation; delay.
(3):
(v. t.) To put off; to postpone; as, to retard the attacks of old age; to retard a rupture between nations.
(4):
(v. t.) To keep delaying; to continue to hinder; to prevent from progress; to render more slow in progress; to impede; to hinder; as, to retard the march of an army; to retard the motion of a ship; - opposed to accelerate.