From L. nefārius "abominable" or Latin nefarius, from nefas crime, from ne- not + fas right, divinelaw; perhaps akin to Greek themis law, tithenai to place
Date: circa 1609
Pronunciation
ne*fa"ri*ous
\ni-ˈfer-ē-əs\
Adjective
infamous for being wicked
The nefarious wizard was known for burning people alive for his secret rituals.