Nefarious

[nuh-FAIR-ee-us]

Definition

  1. (adjective) Something that is extremely wicked, villainous, or criminal in nature. It refers to actions or characters that are flagrantly evil or impiously sinful, typically involving elaborate schemes or plots.

Example

The detective uncovered the banker’s nefarious plan to embezzle millions of dollars through a complex network of fake charities.

Fun Fact

“Nefarious” comes from the Latin “nefarius,” which derives from “nefas” meaning “something contrary to divine law” or literally “not right.” The word combines “ne-” (meaning “not”) and “fas” (meaning “divine law” or “that which is right”). In ancient Rome, actions deemed “nefas” were considered not just illegal but sacrilegious, offensive to both civil and religious law. The term gained particular significance during the medieval witch trials, where “nefarious arts” became a legal term specifically referring to witchcraft and dark magic. Interestingly, in early banking, transactions labeled as “nefarious dealings” were not just illegal but were considered to violate moral and religious principles against usury. The word has maintained its serious weight over centuries, consistently being used to describe the most morally reprehensible actions. Unlike similar words like “wicked” or “evil,” which can sometimes be used playfully, “nefarious” almost always retains its grave implications of moral corruption and calculated malevolence.