a (S) Of perspicacity or penetration; of just perception or discernment. 2 Of good aim; sharp at the butt or mark. 3 (In popular misapprehension.) Intent upon; observant of.
a (S) Of perspicacity or penetration; of just perception or discernment. 2 Of good aim; sharp at the butt or mark. 3 (In popular misapprehension.) Intent upon; observant of.