v. 1 slow (down or up), hold up or back, set back, hinder, impede, delay, keep back, stall, thwart, balk, block, restrict, hold in check, frustrate, interfere with Growth of the economy was severely retarded by the war
n. 2 Offensive and derogatory idiot, moron, fool, imbecile, dunce, Slang chiefly US and Canadian jerk Why she invites that retard to her parties I can't imagine