as in evil
not conforming to a high moral standard; morally unacceptable the chaste heroines and nefarious villains of old-time melodramas

Synonyms & Similar Words

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Antonyms & Near Antonyms

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How does the adjective nefarious differ from other similar words?

Some common synonyms of nefarious are corrupt, degenerate, iniquitous, vicious, and villainous. While all these words mean "highly reprehensible or offensive in character, nature, or conduct," nefarious suggests flagrant breaching of time-honored laws and traditions of conduct.

the nefarious rackets of organized crime

Where would corrupt be a reasonable alternative to nefarious?

While in some cases nearly identical to nefarious, corrupt stresses a loss of moral integrity or probity causing betrayal of principle or sworn obligations.

city hall was rife with corrupt politicians

When could degenerate be used to replace nefarious?

In some situations, the words degenerate and nefarious are roughly equivalent. However, degenerate suggests having sunk to an especially vicious or enervated condition.

a degenerate regime propped up by foreign powers

When can iniquitous be used instead of nefarious?

The words iniquitous and nefarious are synonyms, but do differ in nuance. Specifically, iniquitous implies absence of all signs of justice or fairness.

an iniquitous system of taxation

When might vicious be a better fit than nefarious?

The meanings of vicious and nefarious largely overlap; however, vicious may directly oppose virtuous in implying moral depravity, or may connote malignancy, cruelty, or destructive violence.

a vicious gangster

When would villainous be a good substitute for nefarious?

While the synonyms villainous and nefarious are close in meaning, villainous applies to any evil, depraved, or vile conduct or characteristic.

a villainous assault

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of nefarious What was nefarious about wanting to play them more frequently? Sam Lee, The Athletic, 12 Dec. 2024 Kennedy suggested in the 2017 speech that the walled access is nefarious. Brandy Zadrozny, NBC News, 28 Nov. 2024 While these may be used for legitimate data analysis purposes, malicious skimmers that hide their identity are used to extract data for nefarious purposes. Rupesh Chokshi, Forbes, 2 Dec. 2024 But in recent years, a fringe theory has gained prominence for arguing that seed oils are toxic, put into food by a nefarious elite—including Big Pharma, the FDA, and food manufacturers—to keep Americans unhealthy and dependent. Yasmin Tayag, The Atlantic, 2 Dec. 2024 See all Example Sentences for nefarious 
Recent Examples of Synonyms for nefarious
Adjective
  • Millions of people around the world celebrate the Persian festival of Yalda, which marks the sunrise after the longest night of the year, said to be the night evil forces held the most power.
    Mary Whitfill Roeloffs, Forbes, 18 Dec. 2024
  • Much like 2014’s Ouija, a group of tedious teens unleash an evil entity haunting a specific set of tarot cards.
    Nicholas Bell, SPIN, 17 Dec. 2024
Adjective
  • Currently incarcerated in Utah, YoungBoy faces six charges of possession of a dangerous weapon by a restricted person, as well as charges related to a pattern of unlawful activity stemming from a May 2023 arrest.
    Preezy Brown, VIBE.com, 11 Dec. 2024
  • Some are called because of incorrect ingredient information on packet labels or unlawful importation, for example.
    Gordon G. Chang, Newsweek, 11 Dec. 2024
Adjective
  • Regulated sportsbooks find gambling on minors immoral in some respects, but you guys don’t.
    Jay Ginsbach, Forbes, 13 Dec. 2024
  • In a 2022 Pew Research Center study, growing numbers of Americans said members of the other party are dishonest, immoral and closed-minded.
    Rachel Carlson, NPR, 20 Nov. 2024
Adjective
  • But it also was forged from a particular kind of alchemy that separates a sinful holiday confection from a sugar-sodden mess.
    Brenna Ehrlich, Rolling Stone, 19 Nov. 2024
  • While the Church teaches that homosexual acts are sinful, Francis has made efforts to make LGBTQ+ Catholics feel welcome.
    San Diego Union-Tribune, San Diego Union-Tribune, 6 Jan. 2024
Adjective
  • That was confirmed by his patron in Moscow, which supported the regime in crushing what started as a peaceful protest movement during the Arab Spring and became a vicious civil war that killed hundreds of thousands and sparked a refugee crisis.
    Elizabeth Both, NBC News, 9 Dec. 2024
  • Its main proxy, Hezbollah, was crippled by a pager attack on its hierarchy, and then by weeks of vicious airstrikes.
    Nick Paton Walsh, CNN, 7 Dec. 2024
Adjective
  • The dancing on the death of somebody was pretty vile.
    Miranda Kennedy, Vox, 10 Dec. 2024
  • The hour sits with him as his anxiety builds, causing some to sympathize with him despite his typical vile behavior.
    EW Staff, EW.com, 5 Dec. 2024
Adjective
  • The user posted the images and videos, including an image of a light in the sky, and several videos that appear to be shot from a plane cabin, but are very dark.
    Gordon G. Chang, Newsweek, 12 Dec. 2024
  • The best places to watch are dark sky parks Michigan is home to six dark sky state parks, three international dark sky parks and an international dark sky sanctuary.
    Jenna Prestininzi, Detroit Free Press, 11 Dec. 2024
Adjective
  • If anything, the living conditions seemed to get worse.
    Chris Quintana, USA TODAY, 13 Dec. 2024
  • That's not a bad stat to have on your Challenge resumé.
    Sydney Bucksbaum, EW.com, 12 Dec. 2024

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Cite this Entry

“Nefarious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nefarious. Accessed 22 Dec. 2024.

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