Having the quality of incising, cutting, or penetrating, as with a sharp instrument; cutting;
sharp; acute; sarcastic; biting; trenchant.
Clearly and succinctly stated, with penetrating insight into the issue at hand; as, an incisive comment.
Astute, cutting, smart and insightful.
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 penetrative observations"
very penetrating and clear and sharp in operation; "an incisive mind"; "a keen intelligence"; "of sharp and active intellect"
biting wine which is very lively