The word “nefarious” is an adjective that describes someone or something as extremely wicked, evil, or villainous. It is often used to describe actions or intentions that are morally reprehensible or criminal in nature.

Interesting fact: The word “nefarious” comes from the Latin word “nefarious,” which is derived from “nefas,” meaning “crime” or “wrongdoing.” In ancient Roman law, “nefas” referred to acts that were considered contrary to divine law or forbidden by the gods.