hacker

noun

1. 1

   One who is expert at programming and solving problems with a computer.

2. 2

   One who uses a computer to gain unauthorized access to data, or to carry out malicious attacks.

3. 3

   A computer security professional.

4. 4

   Something that hacks; a tool or device for hacking.

5. 5

   A fork-shaped tool used to harvest root vegetables.

6. 6

   Someone who hacks.

7. 7

   One who is inexperienced or unskilled at a particular activity, especially a sport such as golf or tennis.

   “a tennis hacker”

8. 8

   One who operates a taxicab