Thesaurus.com
Dictionary.com
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.

Iago’s words in the opening moments of “Othello” are directed at his slavish follower Roderigo, conveying that Iago’s public posture of support for the title character is a pose to hide his nefarious intentions.

From The Wall Street Journal • Jun. 1, 2026

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

By August, when Tzagournis’ daughter first saw it at a friend’s house, the movie about three glamorous K-pop stars doubling as brave warriors to defeat nefarious demons had become Netflix’s most-watched movie ever.

From Los Angeles Times • Apr. 29, 2026

The Criminal Element spoke often, and passionately, about the nefarious activities that every human being is capable of.

From "Flora & Ulysses: The Illuminated Adventures" by Kate DiCamillo




Vocabulary lists containing nefarious


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "nefarious" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com