What is the abstract noun of Sharp?

Answer 1

The noun form of the adjective 'sharp' is sharpness.

• The noun 'sharpness' is an abstract noun as a word for an ability to understand things quickly; a cutting quality of a sense of humor or disapproval; a word for a concept.
• The noun 'sharpness' is a concrete noun as a word for the quality of an object that is able to cut or puncture; the quality of contrast in images; the quality of higher than natural tone or sound; a word for a physical quality.

The word 'sharp' is also a noun, a concrete noun as a word for a musical sign used to indicate that a note is to be raised by a semitone.

Answer 2

Sharpness