- the quality of being keenly and painfully felt
"the sharpness of her loss"
- His mind had lost its sharpness.
- Bernard of Chartres used to say that we are like dwarfs on the shoulders of giants, so that we can see more than they, and things at a greater distance, not by virtue of any sharpness of sight on our part, or any physical distinction, but because we are carried high and raised up by their giant size.
- Assembly for cathode-ray tubes with 2 or more but not more than 6 coils, a plastic support and a metal fixing ring, for the adjustment of display sharpness and/or convergence