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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 Cases like Abu Akleh’s perpetuate and fuel a vicious, global crisis of impunity that existed before her murder, and has continued in her wake. Scott Griffen, MSNBC Newsweek, 4 Nov. 2025 This creates a vicious cycle where adding more batteries to increase flight time actually reduces efficiency. Kaif Shaikh, Interesting Engineering, 4 Nov. 2025 The boos were booming and vicious. Tim Spiers, New York Times, 3 Nov. 2025 This ad hoc ecosystem of technology is creating a vicious cycle where the very technology meant to solve problems ends up creating more. Daniel Kendzior, Fortune, 31 Oct. 2025 See All Example Sentences for vicious
Recent Examples of Synonyms for vicious
Adjective
  • Gas and dust fall into a rotating disk around the black hole, and as the debris spirals more rapidly, it becomes superheated, releasing intense radiation.
    Ashley Strickland, CNN Money, 7 Nov. 2025
  • True Ipomea batatas has bright orange flesh (although modern varieties have much more intense colors than older forms), occasionally white and rarely purple.
    Paul Cappiello, Louisville Courier Journal, 7 Nov. 2025
Adjective
  • Recently, the vast majority have been coming from Sudan, embroiled in a brutal civil war which has displaced millions.
    Mick Krever, CNN Money, 6 Nov. 2025
  • Musically, Lee took on the air of a woman revealing intimate truths about herself one year at a time, shedding layers as a way of rewarding patience with honesty, no matter how brutal.
    Nina Corcoran, Pitchfork, 6 Nov. 2025
Adjective
  • Christina Leona Cowens, 41, was initially arrested last week on suspicion of felony grand theft, along with misdemeanor counts of unlawful disposal of human remains and attempting to conceal a death.
    Rosalio Ahumada, Sacbee.com, 11 Nov. 2025
  • Several organizations have sued the administration, saying the cancellations were unlawful and that they are owed thousands of dollars in outstanding expenses.
    NPR, NPR, 10 Nov. 2025
Adjective
  • The Edmund Fitzgerald was caught in a savage storm with hurricane-force winds around 100-mile-an-hour and waves up to 60 feet, crashing down on the freighter every four to eight seconds, says Bacon.
    NPR, NPR, 6 Nov. 2025
  • Here, spiritual infractions are met with savage physical punishment and some of the more grotesque images in recent horror memory (which, as the genre has become ever more popular and emboldened, is seriously saying something).
    Dennis Perkins, Entertainment Weekly, 31 Oct. 2025
Adjective
  • The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices.
    Kurt Knutsson, FOXNews.com, 8 Nov. 2025
  • For many of Modi’s supporters, Mamdani’s rhetoric is seen as a malicious attack on the country’s majority religion.
    Rhea Mogul, CNN Money, 7 Nov. 2025
Adjective
  • Between 2022 and 2023, a team from Arkeologerna conducted an intensive investigation in the southernmost area of the former city.
    Maria Mocerino, Interesting Engineering, 9 Nov. 2025
  • The orbiters are expected to linger in a holding pattern before heading for Mars next year when the red planet is better aligned for a less fuel-intensive journey.
    Jackie Wattles, CNN Money, 9 Nov. 2025
Adjective
  • That is unacceptably cruel, corrupt, and undemocratic.
    Brie Stimson, FOXNews.com, 7 Nov. 2025
  • Instead, she was stripped of her bronze medal after a late score inquiry—a ruling that still feels cruel for an athlete who had delivered the performance of her life.
    Essence, Essence, 6 Nov. 2025
Adjective
  • Like terrestrial monsters, evil aliens are often stand-ins for real-life anxieties.
    Alan Bradley, Space.com, 8 Nov. 2025
  • Thia was sent to this dread planet by the Weyland-Yutani corporation, the famously evil entity that haunts most of the Alien movies.
    Richard Lawson, HollywoodReporter, 4 Nov. 2025

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Cite this Entry

“Vicious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vicious. Accessed 14 Nov. 2025.

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