sharpness

UK: ˈʃɑːpnəs | US: ˈʃɑrpnəs

Definition
  1. n. the quality or state of being sharp

  2. n. keenness of perception or intellect

  3. n. a harsh or biting quality (e.g., of tone or criticism)

Structure
sharp <having a fine edge or point>ness <noun suffix indicating state or quality>
Etymology

The word "sharpness" combines "sharp," derived from Old English "scearp" (meaning cutting or piercing), with the suffix "-ness," which originates from Old English "-nes" (used to form abstract nouns). "Sharp" has Germanic roots, linked to precision and intensity, while "-ness" systematically transforms adjectives into nouns denoting a state or condition. Together, they logically evolve to describe the abstract quality of being sharp—whether literally (e.g., a blade) or metaphorically (e.g., wit).

Examples
  1. The sharpness of the knife made chopping vegetables effortless.

  2. Her sharpness in debates earned her respect among peers.

  3. The photo lacked sharpness due to a blurry lens.

  4. His tone had a sharpness that silenced the room.

  5. The cold air added a sharpness to the morning sunlight.