http://www.merriam-webster.com/dictionary/hacker http://www.merriam-webster.com/dictionary/hacker Full Definition of HACKER 1: one that hacks 2: a person w

http://www.merriam-webster.com/dictionary/hacker http://www.merriam-webster.com/dictionary/hacker Full Definition of HACKER 1: one that hacks 2: a person who is inexperienced or unskilled at a particular activity <a tennis hacker> 3: an expert at programming and solving problems with a computer 4: a person who illegally gains access to and sometimes tampers with information in a computer system