Incisive

a.	1.
	1.	Having the quality of incising, cutting, or penetrating, as with a sharp instrument; cutting; And her incisive smile accrediting That treason of false witness in my blush. - Mrs. Browning.
	2.	(Anat.) Of or pertaining to the incisors; incisor; as, the incisive bones, the premaxillaries.
	3.	Clearly and succinctly stated, with penetrating insight into the issue at hand; as, an incisive comment.

Adj.	1.	incisive - 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" Synonyms: keen, penetrating, penetrative, piercing, knifelike, acute, discriminating, sharp
	2.	incisive - very penetrating and clear and sharp in operation; "an incisive mind"; "a keen intelligence"; "of sharp and active intellect" Synonyms: keen, sharp
	3.	incisive - suitable for cutting or piercing; "incisive teeth"; "the piercing needle" Synonyms: piercing

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