Definition of viciousnext
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as in unlawful
not conforming to a high moral standard; morally unacceptable a truly vicious person detested by almost everyone

Synonyms & Similar Words

Antonyms & Near Antonyms

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Synonym Chooser

How does the adjective vicious differ from other similar words?

Some common synonyms of vicious are corrupt, degenerate, iniquitous, nefarious, and villainous. While all these words mean "highly reprehensible or offensive in character, nature, or conduct," vicious may directly oppose virtuous in implying moral depravity, or may connote malignancy, cruelty, or destructive violence.

a vicious gangster

Where would corrupt be a reasonable alternative to vicious?

The synonyms corrupt and vicious are sometimes interchangeable, but corrupt stresses a loss of moral integrity or probity causing betrayal of principle or sworn obligations.

city hall was rife with corrupt politicians

In what contexts can degenerate take the place of vicious?

The words degenerate and vicious can be used in similar contexts, but degenerate suggests having sunk to an especially vicious or enervated condition.

a degenerate regime propped up by foreign powers

When could iniquitous be used to replace vicious?

While in some cases nearly identical to vicious, iniquitous implies absence of all signs of justice or fairness.

an iniquitous system of taxation

When can nefarious be used instead of vicious?

In some situations, the words nefarious and vicious are roughly equivalent. However, nefarious suggests flagrant breaching of time-honored laws and traditions of conduct.

the nefarious rackets of organized crime

When is it sensible to use villainous instead of vicious?

Although the words villainous and vicious have much in common, villainous applies to any evil, depraved, or vile conduct or characteristic.

a villainous assault

Example 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 vicious Prosecutors have argued the chain stolen during the fight ultimately led to the vicious beatdown of Anderson at the MGM Grand on September 7 which preceded the shooting of Shakur and Knight. Taylor Romine, CNN Money, 26 Aug. 2026 Assad’s brutal dictatorship presided over mass human rights violations, an economic collapse, and ultimately a vicious internecine conflict that left huge numbers dead and millions displaced until he was overthrown in 2024. Prashant Rao, semafor.com, 25 Aug. 2026 The bill known as Clarity has struggled to get across the finish line for multiple reasons, but the biggest has arguably been the vicious interference campaign run by the banking industry. Omid Malekan, Fortune, 21 Aug. 2026 But Roy’s story of Annie (Arjun Raina), a New Delhi architecture student caught in a vicious cycle of failing and repeating his studies, gradually reveals itself as a sharp and poignant portrayal of youth, deftly poised between hope and cynicism. Jill Goldsmith, Deadline, 18 Aug. 2026 See All Example Sentences for vicious
Recent Examples of Synonyms for vicious
Adjective
  • Broadly, the rule of thumb is to drink it during periods of intense competition (to allow for muscle recovery) while avoiding it during periods of training (to promote muscle development).
    Jacob Whitehead, New York Times, 8 Sep. 2026
  • Expect Missouri to come out sharper and fired up, as both teams will be for this intense rivalry.
    PJ Green September 8, Kansas City Star, 8 Sep. 2026
Adjective
  • The wait can be brutal for attorneys and their clients, Yannetti told Fox News Digital.
    Michael Ruiz, FOXNews.com, 4 Sep. 2026
  • But with one brutal tackle, that opportunity was snatched from him.
    James Boyd, New York Times, 3 Sep. 2026
Adjective
  • He is charged with official misconduct in the first degree, which is punishable by up to 12 months behind bars, if convicted, and unlawful access to a computer in the fourth degree, which carries a maximum sentence of 90 days.
    Josh Wood, Louisville Courier Journal, 3 Sep. 2026
  • Investigators accused him of obstruction of justice, unlawful contracting and, among other things, claiming $127,630 in expenses linked to fictitious missions and plane tickets for nearly a dozen trips.
    Jacqueline Charles, Miami Herald, 3 Sep. 2026
Adjective
  • Bryan Singer’s ingenious thriller is both a graceful callback to ’50s potboilers and a savage modernization of them.
    Declan Gallagher, Entertainment Weekly, 3 Sep. 2026
  • Cole, who has to maneuver his way around 20 savage crew members, each of whom will need to be killed, doesn’t waste a homicidal movement.
    Owen Gleiberman, Variety, 19 Aug. 2026
Adjective
  • Strong antivirus software can help warn you about malicious downloads or suspicious websites.
    Kurt Knutsson, FOXNews.com, 4 Sep. 2026
  • Radha had always believed that the world was evil and people malicious.
    Akhil Sharma, New Yorker, 3 Sep. 2026
Adjective
  • Saylor Hayes, 5, who was the subject of an intensive search involving hundreds of people and multiple agencies, was found in South Carolina on Sunday.
    Matt Lavietes, NBC news, 3 Sep. 2026
  • Authorities point to the Golden State’s intensive regulatory environment as a factor.
    Joel Mathis, TheWeek, 2 Sep. 2026
Adjective
  • Like her, Americans are also so tired of being screwed by an administration that’s not only grossly incompetent and cruel but corrupt as well.
    Sun Sentinel Editorial Board, Sun Sentinel, 6 Sep. 2026
  • Rather than heroic, these costly and horribly uncertain stunts come across callous and cruel.
    Richard Lawson, HollywoodReporter, 3 Sep. 2026
Adjective
  • As someone who isn’t a character person, the centerpiece for me is Villains Grove, which takes over the Redwood Creek Challenge Trail with projections and effects that nod to various evil characters.
    Todd Martens, Los Angeles Times, 1 Sep. 2026
  • Like Slaughterhouse–Five, Mother Night explores the shadowy line separating good and evil during wartime.
    Literary Hub, Literary Hub, 31 Aug. 2026

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Cite this Entry

“Vicious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vicious. Accessed 9 Sep. 2026.

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