sharp

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

"The music teacher played the sharp F on the piano. "

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

"The music teacher emphasized the sharp note in the G-sharp scale. "

"Place sharps in the specially marked red container for safe disposal."

"The casino kept in the break room a set of pictures of known sharps for the bouncers to see."

"The hikers were warned to be careful near the sharp in the creek, as the fast-moving water could easily sweep them away. "

"The seamstress used a sharp needle to sew the button back onto her shirt. "

"The baker added the sharp to the flour mixture to improve the texture of the bread. "

"The sharp in our math class was able to solve the difficult problem quickly. "

"The local news reported that a sharp was arrested for shoplifting. "

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

"The used-car salesman tried to sharp me on the price of the car. "

"Before the test, I sharpened my pencil so it would write smoothly. "

"A face with sharp features"

"My sister is very sharp; she always understands the complicated math problems quickly. "

"The music teacher asked the students to play the "C sharp" note. "

"The child's voice was sharp during the argument with his brother. "

"The chili pepper had a sharp, unpleasant taste. "

"A pregnant woman during labor normally experiences a number of sharp contractions."

"Michael had a number of sharp ventures that he kept off the books."

"a sharp dealer;  a sharp customer"

"The student's answer was sharp and precise, earning her a perfect score on the math test. "

"When the two rivals met, first there were sharp words, and then a fight broke out."

"You look so sharp in that tuxedo!"

"The teacher was sharp, noticing every student's subtle body language during the presentation. "

"Drive down Main for three quarters of a mile, then make a sharp right turn onto Pine."

"a sharp ascent or descent; a sharp turn or curve"

"The teacher's criticism of my essay was sharp; she said it was the worst she'd ever read. "

"The student's plan to skip class was a sharp maneuver, but risky. "

"a sharp pain; the sharp and frosty winter air"

"a sharp appetite"

"The argument between the siblings became sharp, filled with angry words and accusations. "

"The sand on the beach was so sharp that it scraped my feet. "

"The teacher gave a sharp, almost inaudible instruction to the class. "

"After a long morning of school, I was sharp for lunch. "

"The knife was sharp enough to easily slice the apple. "

"The teacher said the answer was "correct" – sharp, not "mostly correct." "

"My sister sang the song sharp, making it sound a little too high and shrill. "