sharp

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

2.a long thin sewing needle with a sharp point

3.(of something seen or heard) clearly defined;

a sharp photographic image

4.ending in a sharp point

5.having or demonstrating ability to recognize or draw fine distinctions;

an acute observer of politics and politicians

6.marked by practical hardheaded intelligence;

a smart businessman

7.harsh;

sharp criticism

8.high-pitched and sharp;

piercing screams

9.extremely steep;

an abrupt canyon

10.keenly and painfully felt; as if caused by a sharp edge or point;

a sharp pain

11.very penetrating and clear and sharp in operation;

an incisive mind

12. having or made by a thin edge or sharp point; suitable for cutting or piercing;

a sharp knife

13. sour or bitter in taste

14. raised in pitch by one chromatic semitone;

C sharp

15. very sudden and in great amount or degree;

a sharp drop in the stock market

16. quick and forceful;

a sharp blow

17.changing suddenly in direction and degree;

the road twists sharply after the light