sharpnessnoun [ U ]
uk/ˈʃɑːpnəs/usintelligence and excellent judgement:
At 71, he worries about losing his sharpness and his formidable business sense.
the sharpness of her mind
the degree to which a change is sudden and noticeable:
The sharpness of the slowdown in the industry means difficult times are ahead.
the anger and severity that shows in someone's words:
I was surprised by the sharpness of her tone.