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 There are very few hints in art of dogs being dirty, vicious or rabid. Literary Hub, 10 June 2026 Notable among them is a high-speed chase in which Margaret and Daniel jump from a car to a moving train as Scanlon’s vicious head of security Boyd (Henry Lloyd-Hughes) pursues and tries to kill them. David Rooney, HollywoodReporter, 9 June 2026 While the administration spins the myth of vicious criminals victimizing American citizens, the past months have revealed the truth. Orlando Sentinel Editorial Board, The Orlando Sentinel, 8 June 2026 The clip, which starts from Scooby's view, teases something absolutely vicious. Marina Watts, Entertainment Weekly, 8 June 2026 See All Example Sentences for vicious
Recent Examples of Synonyms for vicious
Adjective
  • Thanks to more than 200 years of intense and virtuoso scientific work, what were once valid or at least plausible concerns and objections to vaccines have been overcome.
    Literary Hub, Literary Hub, 11 June 2026
  • Whether Tuchel will, in fact, be able to produce a more intense high-pressing style this summer, given the climate and the dense schedule, is another matter.
    Jack Pitt-Brooke, New York Times, 10 June 2026
Adjective
  • Higher-level inmates gorge themselves; those below face starvation, suicide or cannibalism – a brutal metaphor for the world’s food chain.
    John Hopewell, Variety, 12 June 2026
  • The president’s instinct to go for the jugular was on display in his first campaign, when he was written off early on as an entertainer but found success with brutal takedowns.
    Zac Anderson, USA Today, 12 June 2026
Adjective
  • What happens if a landlord charges an unlawful late fee?
    Tiffani Jackson, Fort Worth Star-Telegram, 12 June 2026
  • London’s High Court ruled that the decision to proscribe the group was unlawful, but has kept the ban in place pending an appeals court ruling due Monday.
    ABC News, ABC News, 12 June 2026
Adjective
  • What begins as a desperate family bonding trip rapidly devolves into savage violence and brutal psychological warfare.
    Matt Grobar, Deadline, 3 June 2026
  • Their twiggy legs and bony frames exposed in bathing suits, the kids do indeed look extra vulnerable within the film’s savage landscape.
    Beatrice Loayza, Variety, 25 May 2026
Adjective
  • The malicious prosecution claim was dismissed after Levine’s attorneys failed to object to a motion for summary judgment to dismiss the final charge.
    Jack Harvel, Kansas City Star, 11 June 2026
  • The Knicks also got their revenge on Wembanyama, who went unpenalized for a malicious, above-the-shoulders shove on Brunson in Game 3.
    Kristian Winfield, New York Daily News, 11 June 2026
Adjective
  • They were released later with ankle monitors and placed under an intensive supervision program requiring frequent check-ins at an ICE office in Portland.
    Carol Rose Little, The Conversation, 12 June 2026
  • According to the company, Samsung’s HBM4E delivers a stable pin speed of 14 gigabits-per-second (Gbps), with performance scalable up to 16Gbps to support increasingly intensive data processing requirements.
    Thomas Coughlin, Forbes.com, 12 June 2026
Adjective
  • The immigrant-detention facility known as Alligator Alcatraz, deep in the Florida Everglades, stands out as a uniquely cruel publicity stunt with an absurdly high price tag, in which much of the money goes into just a few pockets.
    Eric Schlosser, The Atlantic, 4 June 2026
  • Therefore, a second execution would not violate the prohibition on double jeopardy or on the imposition of cruel punishment.
    Austin Sarat, The Conversation, 4 June 2026
Adjective
  • After the evil Skeletor (Jared Leto) snatches his parents, Adam is plucked out of Eternia and returns years later from the human world to assume his true identity as He-Man and save the planet.
    Matt Minton, Variety, 6 June 2026
  • Young Prince Adam of Eternia (Nicholas Galitzine) is sent to Earth to protect him from the evil and hilarious Skeletor (Jared Leto), who now rules Eternia.
    Mike Ryan, IndieWire, 4 June 2026

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Cite this Entry

“Vicious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vicious. Accessed 13 Jun. 2026.

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