Having the quality of incising, cutting, or penetrating, as with a sharp instrument; cutting; hence, sharp; acute; sarcastic; biting.
source: Webster 1913
adjective satellite
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.
