hacker
Americannoun
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a person or thing that hacks.
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Slang. a person who engages in an activity without talent or skill.
weekend hackers on the golf course.
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Computers.
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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.
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a person who circumvents security and breaks into a network, computer, file, etc., often, but not always, 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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noun
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a person that hacks
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slang a computer fanatic, esp one who through a personal computer breaks into the computer system of a company, government, etc
Etymology
Origin of hacker
First recorded in 1200–50 hacker for def. 1; Middle English (as surname); hack 1, -er 1; 1965–70 hacker for def. 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The group shut down parts of its IT systems in response to hackers attempting to gain access.
From BBC
Rather than shun the growing underground of youthful hackers, he had been attending meetings of the Homebrew Computer Club, where young Altair and Commodore users met to trade their tiny software programs and swap lore.
From Los Angeles Times
As he described it, they were not hackers.
From Los Angeles Times
One thing that could happen is that your biometric data is stolen and used by hackers to impersonate you.
Genesis' character in Crookhaven, Whisper, is co-head of the school - a celebrated hacker who trains her students in acquiring unmatchable hacking skills.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.