Definition for SUB'TIL-TY

SUB'TIL-TY, n. [Fr. subtilité; L. subtilitas.]

  1. Thinness; fineness; exility; in a physical sense; as, the subtilty of air or light; the subtilty of sounds. – Bacon. Grew.
  2. Refinement; extreme acuteness. Intelligible discourses are spoiled by too much subtilty in nice divisions. – Locke.
  3. Slyness in design; cunning; artifice; usually but less properly written subtlety.

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