1 : very sudden and in great amount or degree; "a sharp drop in the stock market"
2 : having or emitting a high-pitched and sharp tone or tones; "a shrill whistle"; "a shrill gaiety"
3 : (of something seen or heard) clearly defined; "a sharp photographic image"; "the sharp crack of a twig"; "the crisp snap of dry leaves underfoot"
4 : extremely steep; "an abrupt canyon"; "the precipitous rapids of the upper river"; "the precipitous hills of Chinese paintings"; "a sharp drop"
5 : 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"
adjectif
1 : having or made by a thin edge or sharp point; suitable for cutting or piercing
nom
1 : a musical notation indicating one half step higher than the note named
