Meaning : Having or demonstrating ability to recognize or draw fine distinctions.
Example :
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 : acute, discriminating, keen, knifelike, penetrating, penetrative, piercing, sharp
Meaning : Suitable for cutting or piercing.
Example :
Incisive teeth.