un penetrative

penetrative

[pen-i-trey-tiv]
adjective
1.
tending to penetrate; piercing.
2.
acute; keen.

Origin:
1375–1425; late Middle English < Medieval Latin penetrātīvus. See penetrate, -ive

penetratively, adverb
penetrativeness, penetrativity [pen-i-truh-tiv-i-tee] , noun
unpenetrative, adjective
unpenetratively, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
penetrative

adjective
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
2. tending to penetrate; having the power of entering or piercing; "a toxic penetrative spray applied to the surface"; "a cold penetrating wind"; "a penetrating odor" 
WordNet® 3.0, © 2006 by Princeton University.
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