WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp, perceptive (vs. unperceptive)
- usage: 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"
- 2. penetrative, penetrating, sharp (vs. dull)
- usage: 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"
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See also: penetrative (Dictionary)