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
"And that is that what you are doing in the Strait is causing you to be globally isolated. You're the bad guy in this."
From BBC ● May 11, 2026
“There is a good guy and a bad guy that’s very clear and very binary,” she says.
From Los Angeles Times ● Dec. 19, 2025
Asked for his reaction to Bolton's indictment, Trump told reporters his former aide is a "bad guy" and "that's the way it goes."
From Barron's ● Oct. 16, 2025
How could he be happy with always being the bad guy?
From "City of the Plague God" by Sarwat Chadda
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.
