hacker meaning and definition

HACKER noun

Definition of hacker (noun)

1. someone who plays golf poorly
2. a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism
   • synonyms: cyberpunk, cyber-terrorist
3. a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm
   • "true hackers subscribe to a code of ethics and look down upon crackers"
4. one who works hard at boring tasks
   • synonyms: drudge, hack