sharp

adjective / adverb / noun

Meaning

adjectiveTerminating in a point or edge, especially one that can cut or pierce easily; not dull, obtuse, or rounded.
Example: I keep my knives sharp so that they don't slip unexpectedly while carving.
adverbIn a sharp manner: a less usual alternative to sharply in certain senses. To a point or edge. Piercingly. Eagerly. So as to make a sharp, or tight, angle.
Example: South of the city the river turns sharp to the east.
nounThe 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 one chromatic semitone higher.
Example: The pitch pipe sounded out a perfect F♯ (F sharp).

Source: Wiktionary (CC BY-SA 4.0)

How common: Common; #909 of 8,600 five-letter words by how often they're used; Can be a Play Five answer
As a first guess: Tests likely letters better than 72% of common five-letter words.; Vowels: 1 · Different letters: 5 · Repeated letters: None