sharp

clearly defined

“a sharp photographic image”

a musical notation indicating one half step higher than the note named

having or made by a thin edge or sharp point; suitable for cutting or piercing

“a sharp knife”

keenly and painfully felt; as if caused by a sharp edge or point

“a sharp pain”

raised in pitch by one chromatic semitone

“C sharp”

quick and forceful

“a sharp blow”

very sudden and in great amount or degree

“a sharp drop in the stock market”

marked by practical hardheaded intelligence

changing suddenly in direction and degree

“the road twists sharply after the light”

extremely steep

“a sharp drop”

having or emitting a high-pitched and sharp tone or tones