n.; pl.Subtleties [ OE. sotelte, sutilte, OF. sotillete, L. subtilitas. See Subtle, and cf. Subtility. ] 1. The quality or state of being subtle, or sly; cunning; craftiness; artfulness. [ 1913 Webster ]
The fox which lives by subtlety. Shak. [ 1913 Webster ]
2. Nice discernment with delicacy of mental action; nicety of discrimination. [ 1913 Webster ]
3. Something that is sly, crafty, or delusive. [ 1913 Webster ]
Unlearned in the world's false subtleties. Shak. [ 1913 Webster ]