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.

These can include phishing or social engineering - gaining access by sending fake emails to employees who click a nefarious link which gives hackers access to a company's systems.

From BBC • May 27, 2026

As a writer who is both gay and old enough to have watched the internet explode into the nefarious monster it’s become, the way language transforms online both irks and fascinates me.

From Salon • May 10, 2026

Paul Alexander Nolan’s Max, the owner of a boardwalk video store who crashes into the lives of the Emerson family, puts on a Clark Kent facade to conceal his nefarious alter ego.

From Los Angeles Times • May 1, 2026

Nothing came of these theories, but the intelligence firms also entertained an alternate hypothesis: What if the alleged victim didn’t have a nefarious agenda but was being manipulated by someone who did?

From The Wall Street Journal • Apr. 27, 2026

Words like: viscous, impunity, paroxysm, unctuous, nefarious, onanistic, perfidious, lugubrious.

From "Hole in My Life" by Jack Gantos