Definitions:

1. having a very fine texture noun
   • the fineness of the sand on the beach
2. the property of being very narrow or thin noun
   • I marvelled at the fineness of my hair.
3. the quality of being very good indeed noun
   • the inn is distinguished by the fineness of its cuisine

Synonyms:

• choiceness
• delicacy
• powderiness
• thinness