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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 Three, there is tremendous fright here in the way Honeywell stock trades, The moves are particularly vicious. Jim Cramer, CNBC, 27 July 2025 Debra Messing winning for the Will & Grace episode where the titular characters have a vicious argument about having a baby together is but one example. Joe Reid, Vulture, 26 July 2025 Adding to the primitive nature, Iman’s eyes were colored with brown shadow, and her lips boasted a vicious wine-colored lipstick. Kaleigh Werner, Footwear News, 25 July 2025 Over time, this can create a vicious cycle where poor sleep and chronic anxiety feed into each other, creating a loop that damages your well-being. Mark Travers, Forbes.com, 22 July 2025 See All Example Sentences for vicious
Recent Examples of Synonyms for vicious
Adjective
  • The team observed laser emissions in two distinct wavelengths for all color regions of the feathers' eyespots, with the green color regions emitting the most intense laser light.
    Jennifer Ouellette, ArsTechnica, 30 July 2025
  • In Naomi Alderman's contemporary work, the recognizable world is all but the same, except for the shocking revelation that teenage girls can now conduct electricity to cause intense physical pain or death to others.
    Robert English, EW.com, 30 July 2025
Adjective
  • Southerners quickly learn how to survive brutal summer temperatures.
    Mary Marlowe Leverette, Southern Living, 23 July 2025
  • According to an arrest affidavit obtained by USA Today, the 21-year-old approached a woman from behind at a self-checkout lane at a Walmart in Tennessee, and launched into a brutal attack.
    Amber Corrine, VIBE.com, 23 July 2025
Adjective
  • After the incident, the McCloskeys's were were seized by law enforcement, and they were charged with unlawful use of a weapon by St. Louis' former Democratic prosecutor, Kim Gardner.
    Sophia Compton, FOXNews.com, 3 Aug. 2025
  • On July 12, 2024, Valdes was charged with one count each of first-degree assault, armed criminal action and unlawful use of a weapon in Kansas City, according to a Jackson County court document.
    Caroline Zimmerman, Kansas City Star, 1 Aug. 2025
Adjective
  • As savage Arctic cold was getting ready to surge south across North America, vivid imagery based on data from weather models showed us what was going to happen.
    Tom Yulsman, Discover Magazine, 27 Dec. 2022
  • The 2023 grand marshal is former Arizona Democratic congresswoman Gabby Giffords, gravely wounded in a savage mass shooting in 2011 that also killed six people.
    Los Angeles Times, Los Angeles Times, 27 Dec. 2022
Adjective
  • Cybercriminals often scan inactive IP ranges, using them for various malicious activities.
    Vincentas Grinius, Forbes.com, 1 Aug. 2025
  • How the Facebook crypto scam works Bitdefender Labs reports that a malicious ad campaign has been running on Facebook for several months.
    Kurt Knutsson, FOXNews.com, 1 Aug. 2025
Adjective
  • Critics question whether a battery swap network—capital intensive, dependent on fleet adoption, and distributed across so many different markets—can scale profitably.
    Clay Chandler, Fortune, 19 July 2025
  • An intensive moisturiser that delivers maximum hydration, Revision’s DermProtect Barrier Defense™ also replenishes natural lipids, and enhances moisture retention.
    Angela Lei, Forbes.com, 13 July 2025
Adjective
  • In an inordinately cowardly and cruel act, Rubio stayed away from the department that day, ignoring the men and women whose careers and life plans were decimated by his flippant decision-making.
    Lynn Northcutt Vega, Sun Sentinel, 29 July 2025
  • A little more than a year ago, the U.S. Supreme Court reversed a decision from the Ninth Circuit that determined a ban on people sleeping in public was constitutionally cruel and unusual.
    Natalie Eilbert, jsonline.com, 29 July 2025
Adjective
  • Thanks to now-iconic moments like Bob Barker’s surprisingly physical cameo and a cast including Christopher McDonald as Happy’s cartoonishly evil rival Shooter McGavin, the movie became a cult classic.
    Skyler Trepel, EW.com, 25 July 2025
  • Evan Peters is the evil tech exec Julian Dillinger.
    Dessi Gomez, Deadline, 25 July 2025

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Cite this Entry

“Vicious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vicious. Accessed 6 Aug. 2025.

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