adjective nobler -·bler, noblest -·blest

1. having eminence, renown, fame, etc.; illustrious
2. having or showing high moral qualities or ideals, or greatness of character; lofty
3. having excellent qualities; superior
4. grand; stately; splendid; magnificent a noble view
5. of high hereditary rank or title; aristocratic
6. chemically nonreactive, esp. with acids and air; precious; pure: said of metals, esp. gold, platinum, etc.; also said of any of the six inert, or nearly inert, rare gases in group VIIIA of the periodic table

Etymology: OFr < L nobilis, lit., well-known < base of (g)noscere, to know

noun

1. a person having hereditary rank or title; nobleman; peer
2. a former gold coin of England