sharpness

the cutting ability of an edge; keenness.

Noun

the cutting ability of an edge; keenness.
the fineness of the point a pointed object.
The product or result of being sharp.
- The first thing that strikes the stranger is the sharpness of the curves on the metre gauge; it is not unusual for a long train to be travelling in three directions at once, and the engine is frequently in full view of...
pungency or acidity.
distinctness, focus.
acuteness or acuity.
- Mrs. PAGE is gifted with a pleasing voice, which is yet imperfectly weeded of certain sharpnesses, but seems susceptible of a wide range of melodious inflection. - 1861 June 14, “Amusements.”, in The New York Times:
- A lack of match sharpness was perhaps to blame for Rooney squandering England's best chance after 27 minutes. - 2012 June 19, Phil McNulty, “England 1-0 Ukraine”, in BBC Sport:
edge or blade
- CUT-WATER, or KNEE OF THE HEAD [S.] the ſharpneſs of the head of the ſhip, below the beak; - 1760, John Marchant, Gent. Mr. Gordon, Daniel Bellamy, and others., A New Complete English Dictionary...:
- also thei smytiden bi the scharpnesse of swerd, oxun, and scheep, and assis. - ca. 1395, John Wycliffe et al., Joshua 6:21:

From Middle English sharpnesse, scharpnesse, from Old English sċearpnes (“sharpness”), equivalent to sharp + -ness.