sharp
adjectiveUK /ʃɑːp/
US /ʃɑːrp/
A sharp thing has a thin edge that can cut things easily.
Be careful with that sharp knife.
OTHER MEANINGS
2. Quick to notice or understand things.
She has a sharp mind and learns fast.
3. A sudden, strong change in direction or feeling.
The road made a sharp turn to the left.
4. A musical note that is a little higher than the normal one.
The song uses an F sharp.