Whitehat

white hat

noun Informal.
a virtuous hero, especially in a cowboy movie; good guy. Compare black hat ( def 1 ).

white-hat, white-hat·ted, adjective
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World English Dictionary
white hat
 
n
informal
 a.  a computer hacker who is hired by an organization to undertake nonmalicious hacking work in order to discover computer-security flaws
 b.  Compare black hat (as modifier): a white-hat hacker

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Whitehat is always a great word to know.
So is lollapalooza. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a gadget; dingus; thingumbob.
Slang Dictionary

white hat definition


  1. n.
    a good guy; a hero. (From Western movies where you could tell the good guys from the bad guys by the color of their hats: white for good, black for bad.) : He seems like a white hat, but he's a worm.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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