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

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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 of nefarious in a Sentence

Recent Examples on the Web But look, putting a child in a business always leaves room for disaster or nefarious things. Dana Rose Falcone, Peoplemag, 13 Sep. 2024 Offstage, however, the identical twin Quin sisters met the downside of fame as well, and the documentary chronicles how personal files were stolen and Tegan Quin's identity was used in a nefarious catfishing scheme. Brian Truitt, USA TODAY, 19 Sep. 2024 My character is definitely on the line, and there are some nefarious connections. Antonia Blyth, Deadline, 19 Sep. 2024 As if fighting famine, disease, disaster and other calamities weren’t enough, nonprofit organizations face dire cybersecurity threats from nefarious groups seeking to steal money and sensitive data or disrupt services. David Hessekiel, Forbes, 19 Sep. 2024 See all Example Sentences for nefarious 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nefarious.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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Cite this Entry

“Nefarious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nefarious. Accessed 14 Oct. 2024.

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