Sharp

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

a long thin sewing needle with a sharp point

(of something seen or heard) clearly defined

ending in a sharp point

having or demonstrating ability to recognize or draw fine distinctions

marked by practical hardheaded intelligence

harsh

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

extremely steep

keenly and painfully felt

having or made by a thin edge or sharp point

(of a musical note) raised in pitch by one chromatic semitone

very sudden and in great amount or degree

quick and forceful

changing suddenly in direction and degree