noun

1. The symbol ♯, placed after the name of a note in the key signature or before a note on the staff to indicate that the note is to be played a semitone higher.

   “The pitch pipe sounded out a perfect F♯ (F sharp).”

2. A note that is played a semitone higher than usual; denoted by the name of the note that is followed by the symbol ♯.

3. A note that is sharp in a particular key.

   “The piece was difficult to read after it had been transposed, since in the new key many notes were sharps.”

verb

1. To raise the pitch of a note half a step making a natural note a sharp.

   “That new musician must be tone deaf: he sharped half the notes of the song!”

2. To play tricks in bargaining; to act the sharper.

3. To sharpen.

adjective

1. Terminating in a point or edge, especially one that can cut easily; not obtuse or rounded.

   “A face with sharp features”

2. Intelligent.

   “My nephew is a sharp lad; he can count to 100 in six languages, and he's only five years old.”

3. Higher than usual by one semitone (denoted by the symbol ♯ after the name of the note).

Synonyms: keen, razor, razor-sharp, pointed, accurate, exact, keen, precise

adverb

1. To a point or edge; piercingly; eagerly; sharply.

2. (notcomp) Exactly.

   “I'll see you at twelve o'clock sharp.”

3. In a higher pitch than is correct or desirable.

   “I didn't enjoy the concert much because the tenor kept going sharp on the high notes.”

Synonyms: exactly, on the dot, precisely