adj the quality or condition of being fine.
2. fineness ·adj the proportion of pure silver or gold in jewelry, bullion, or coins.
3. fineness ·adj freedom from foreign matter or alloy; clearness; purity; as, the fineness of liquor.
4. fineness ·adj keenness or sharpness; as, the fineness of a needle's point, or of the edge of a blade.