penetrative(s = adj.all)acute, discriminating, incisive, keen, knifelike, penetrating, piercing, sharp - having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "as sharp and incisive as the stroke of a fang"; "frequent penetrative observations"; "icy knifelike reasoning"; "incisive comments"; "penetrating insight"
penetrative(s = adj.all)penetrating - tending to penetrate; having the power of entering or piercing; "a cold penetrating wind"; "a penetrating odor"; "a toxic penetrative spray applied to the surface"