Definition for APT'NESS


  1. Fitness; suitableness; as, the aptness of things to their end.
  2. Disposition of the mind; propensity; as, the aptness of men to follow example.
  3. Quickness of apprehension; readiness in learning; docility; as, au aptness to learn is more observable in some children than in others.
  4. Tendency, in things; as, the aptness of iron to rust.

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