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.
Related: ‘Could a nefarious caregiver steal her money?’
From MarketWatch • Mar. 19, 2026
But agents have to be given powerful permissions to do their jobs, and we are already seeing this being exploited in potentially nefarious ways in what are called prompt injection attacks.
From Barron's • Feb. 17, 2026
A nefarious hacker could have easily installed a virus on to my machine without me having to do anything.
From BBC • Feb. 12, 2026
The implication is that, in addition to engaging in nefarious financial shenanigans, one of Mr. Xi’s most trusted henchmen was plotting against him.
From The Wall Street Journal • Jan. 26, 2026
Words like: viscous, impunity, paroxysm, unctuous, nefarious, onanistic, perfidious, lugubrious.
From "Hole in My Life" by Jack Gantos
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.