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dictionary attack

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noun Computers.
an attempt to break into a password-protected computer or computer system with a software program that successively tries all the words in a large dictionary or other word list.
an attempt by a spammer to obtain a list of valid email addresses by testing possible usernames in combination with a domain name.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use dictionary attack in a sentence

British Dictionary definitions for dictionary attack

dictionary attack

noun
an attempt to hack into a computer or network by submitting every word in a dictionary as a possible password
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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