Acuteness

the acuteness of an angle

By acuteness of feeling, we perceive small objects or slight impressions.

By acuteness of intellect, we discern nice distinctions.

At the time, I set it down to some idiosyncratic, personal distaste, and merely wondered at the acuteness of the symptoms; but I have since had reason to believe the cause to lie much deeper in the nature of man, and to turn on some nobler hinge than the principle of hatred.