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
Examples of hacker in a sentence
My friends and I have been playing golf for years, but we're still just a bunch of hackers.
the company's security experts spent days trying to figure out how a hacker could have gotten past the firewall
First Known Use of hacker
HACKER Defined for English Language Learners
Definition of hacker for English Language Learners
computers : a person who secretly gets access to a computer system in order to get information, cause damage, etc. : a person who hacks into a computer system
: a person who plays a sport badly
HACKER Defined for Kids
Seen and Heard
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