bad guy
Americannoun
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an evil or malicious person; a villain or someone perceived as one.
The actor now makes his living guest starring as the bad guy on many different TV shows.
Business consulting can turn you into the bad guy for people who don't want to know their idea could fail.
-
any person who does bad or harmful things, especially habitually.
In tech security, you just have to live with the fact that the bad guys are already ahead of you.
Etymology
Origin of bad guy
An Americanism first recorded in 1920–25
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.
When a beefy bad guy who was about to squish a normal-sized good guy received a crippling blow to the scrotum, I laughed.
From Slate ● Jun. 11, 2026
"You're the bad guy in this," he said.
From Barron's ● May 5, 2026
I become the bad guy a lot of times because I’m screaming at them to do it the right way.”
From Los Angeles Times ● Oct. 28, 2025
Asked about the indictment on Thursday at the White House, Trump said he did not know about it, but added that Bolton was "a bad guy".
From BBC ● Oct. 16, 2025
His eyes reminded her of the bad guy Jack had showed her that day in the shrieking shack.
From "Breadcrumbs" by Anne Ursu
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.
