primacy /ˈpɹaɪ.mə.si/ noun4 •The state or condition of being prime or first, as in time, place, rank, preference etc.The court affirmed the primacy of federal law.He argued for the primacy of reason over emotion. •The office, rank, or character of a primate (chief ecclesiastical dignity in a church). •The office or dignity of an archbishop. •(no longer used) Excellence; supremacy. formsprimacies