Definition of nobler:
(adj) :
Having honorable qualities; having moral eminence and freedom from anything petty, mean or dubious in conduct and character.
(adj) :
Of exalted rank; of or relating to the nobility; distinguished from the masses by birth, station, or title; highborn.
(n) :
An aristocrat; one of aristocratic blood.
(adj) :
Grand; stately; magnificent; splendid.
(adj) :
(winemaking) Belonging to a class of grape cultivars traditionally considered most favorable for winemaking, usually encompassing the six: Merlot, Pinot Noir, Cabernet Sauvignon, Sauvignon blanc, Chardonnay, and Riesling.
(adj) :
(chemistry) Of an element, unreactive.