noun (n)

• a subtle difference in meaning or opinion or attitude

  yang halus mengubah erti atau pendapat atau sikap

  Synonym:
  nicety, nuance, refinement, shade
  

  source: wordnet30
• the quality of being difficult to detect or analyze

  kualiti menjadi sulit untuk mendeteksi atau menganalisis

  Example:
  You had to admire the subtlety of the distinctions he drew.
  

  Synonym:
  niceness
  

  source: wordnet30
• The quality or state of being subtle, or sly; cunning; craftiness; artfulness.

  kualiti atau keadaan menjadi halus, atau senyap; licik; kelicikan; artfulness.

  source: webster1913