[ hak-er ]
/ ˈhæk ər /


a person or thing that hacks.
Slang. a person who engages in an activity without talent or skill: weekend hackers on the golf course.
Digital Technology.
  1. a person who has a high level of skill in computer technology or programming; a computer expert or enthusiast: My brother is a real hacker—he fixed my laptop in no time.
  2. a person who circumvents security and breaks into a network, computer, file, etc., usually with malicious intent: A hacker got into my computer remotely and wiped my hard drive! The company has hired hackers to test system security.



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Origin of hacker

1200–50 for def 1 Middle English (as surname); see hack1, -er1; 1975–80 for def 2

Definition for hacker (2 of 2)

Origin of hack

First recorded in 1680–90; short for hackney
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hacker

British Dictionary definitions for hacker (1 of 4)

/ (ˈhækə) /


a person that hacks
slang a computer fanatic, esp one who through a personal computer breaks into the computer system of a company, government, etc

British Dictionary definitions for hacker (2 of 4)

/ (hæk) /



See also hack off

Word Origin for hack

Old English haccian; related to Old Frisian hackia, Middle High German hacken

British Dictionary definitions for hacker (3 of 4)

/ (hæk) /




(prenominal) banal, mediocre, or unoriginalhack writing

Word Origin for hack

C17: short for hackney

British Dictionary definitions for hacker (4 of 4)

/ (hæk) /


a rack used for fodder for livestock
a board on which meat is placed for a hawk
a pile or row of unfired bricks stacked to dry

verb (tr)

to place (fodder) in a hack
to place (bricks) in a hack

Word Origin for hack

C16: variant of hatch ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012