SUB'TILTY, n. [L. subtilitas.]
1. Thinness; fineness; exility; in a physical sense; as the subtilty of air or light; the subtilty of sounds.
2. Refinement; extreme acuteness.
Intelligible discourses are spoiled by too much subtilty in nice divisions.
3. Slyness in design; cunning; artifice; usually but less properly written subtlety.
