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
Similarly, she feels Mark Zuckerberg's tech bro bad guy reputation is "unfair".
From BBC ● Jun. 4, 2026
"You're the bad guy in this," he said.
From Barron's ● May 5, 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
“They’d have to. Otherwise, every bad guy in the supernatural world would start kidnapping agents to make outrageous demands.”
From "Amari and the Night Brothers" by B.B. Alston
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.
