51³Ô¹Ï

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black hat

[ blak hat ]

noun

Informal.
  1. a villain, as in a cowboy movie; bad guy.
  2. Also called black hat hacker. Computers. a hacker who violates the security of a system without the knowledge or consent of the owner or developer, as for personal profit or for the gratification of causing damage.


black hat

noun

  1. informal.
    1. a computer hacker who carries out illegal malicious hacking work
    2. ( as modifier ) Compare white hat

      black-hat hackers

“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
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Other 51³Ô¹Ï Forms

  • black-hat ²ú±ô²¹³¦°ì-³ó²¹³Ù·³Ù±ð»å adjective
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51³Ô¹Ï History and Origins

Origin of black hat1

First recorded in 1955–60 black hat fordef 1, and in 1990–95 black hat fordef 2; from the black hat worn by the villain in a cowboy movie
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Idioms and Phrases

  1. wear / put on a black hat, Informal, to behave villainously.
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Compare Meanings

How does black hat compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Examples have not been reviewed.

Many techniques come together in the iconic pointy black hat for the future Wicked Witch of the West.

From

There are also Dashiell Hammett’s “The Maltese Falcon,†originally published as a serial in Black Hat magazine, and John Steinbeck’s first novel, “Cup of Gold.â€

From

Smartly dressed in a white suit and black hat, Fury added: "I'm going to dish out a whole lot of pain."

From

Elphaba arrives alone, outfitted in the pointy black hat that Glinda has tricked her into wearing, and gets teased by all her classmates as she has been since arriving at Shiz University.

From

What did you bring to the scene where Glinda humiliates Elphaba, giving her that “hideodeous†black hat that she wears to the ball?

From

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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.

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