nefarious
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.
Then there’s the more nefarious activities – I’ve heard of researchers deliberately moving specimens to make them hard to find so other researchers cannot examine them, and occasionally things are stolen from collections.
From Science Daily ● Aug. 7, 2026
"Instead, we've left a void, one which has been filled with nefarious online actors peddling their own narratives surrounding what a successful manhood looks like."
From BBC ● Aug. 3, 2026
He stars alongside Ben Kingsley, whose pompous thespian Trevor Slattery befriends Simon while secretly working with the nefarious Department of Damage Control.
From Los Angeles Times ● Aug. 3, 2026
AI’s advancing proficiencies—especially for crafting nefarious biological and cyber-based plans—are alarming senior executives at AI companies and the White House.
From The Wall Street Journal ● Jul. 26, 2026
“So you’re not actually this sweet girl who lives in the suburbs. You have a whole double life where you’re carrying on in a nefarious way...”
From "Love, Hate & Other Filters" by Samira Ahmed
Vocabulary lists containing nefarious
Grade 9, List 4
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Even More Negative Words to Describe a Person
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Coraline
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