·vi To stay back.
II. Retard ·noun Retardation; delay.
III. Retard ·vt To put off; to Postpone; as, to retard the attacks of old age; to retard a rupture between nations.
IV. Retard ·vt 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.