express grief verbally; "we lamented the death of the child";
having a sharp cutting edge or point; "a keen blade";
as physically painful as if caused by a sharp instrument; "a cutting wind"; "keen winds"; "knifelike cold"; "piercing knifelike pains"; "piercing cold"; "piercing criticism"; "a stabbing pain"; "lancinating pain";
very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing";
very penetrating and clear and sharp in operation; "an incisive mind"; "a keen intelligence"; "of sharp and active intellect";
intense or sharp; "suffered exquisite pain"; "felt exquisite pleasure";
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent pene;
