chief in importance or impact; supreme; preeminent: a point of paramount significance.
2.
above others in rank or authority; superior in power or jurisdiction.
noun
3.
a supreme ruler; overlord.
Origin: 1525–35; < Anglo-Frenchparamont above, equivalent to parper- + a mont < Latinad montem to the mountain, hence, in Old French: upward, above; see ad-, mount2
1531, from Anglo-Fr. paramont "above" (in place, order, degree), 1339, from O.Fr. par "by" + amont "up," from a mont "upward." The whole from L. per ad montem, lit. "to the hill."