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Definitions

nefarious

[ni-fair-ee-uhs] / nɪˈfɛər i əs /


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.

It’s “a persistent pattern generally attached to nefarious tricks such as channel stuffing, aggressive revenue recognition or extended payment terms used as sales concessions,” Burry said in a recent Substack post.

From MarketWatch • Feb. 27, 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

Siegal told the Journal that she was unaware of Epstein’s nefarious behavior.

From The Wall Street Journal • Feb. 4, 2026

Doug Swieteck’s brother, wouldn’t even come near me, and I would foil Mrs. Baker’s nefarious plan.

From "The Wednesday Wars" by Gary D. Schmidt




Vocabulary lists containing nefarious