Definitions:

1. Delicacy or refinement in texture, detail, or craftsmanship. NOUN
   • The fineness of the lace made it look almost weightless.
2. Elegance or excellence in behavior, skill, or thought. NOUN
   • She spoke with a fineness that commanded respect.
3. The degree of smallness of particles, such as in powders, grains, or fibers. NOUN
   • The cement's performance depends on the fineness of its particles.
4. The purity of a precious metal, expressed in parts per thousand. NOUN
   • Gold with a fineness of 999 is 99.9% pure.

Synonyms:

• delicacy
• elegance
• Precission
• Purity
• Refinement
• smoothness
• subtlety