(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.