penetrative

adj 1: 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" [syn: {acute}, {discriminating}, {incisive},

{keen}, {knifelike}, {penetrating}, {piercing}, {sharp}]

2: tending to penetrate; "a toxic penetrative spray applied to

the bark"