(1):

(a.) Keenness or sharpness; as, the fineness of a needle's point, or of the edge of a blade.

(2):

(a.) Freedom from foreign matter or alloy; clearness; purity; as, the fineness of liquor.

(3):

(a.) The quality or condition of being fine.

(4):

(a.) The proportion of pure silver or gold in jewelry, bullion, or coins.