nefarious

Spelling & Dictionary Insight

The English entry for nefarious is 9 letters long, classified as anadj, and transcribed in the International Phonetic Alphabet as /nɪˈfɛəɹi.əs/. Corpus data places it at rank #29,010 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.The dominant gloss from Wiktionary reads: "Sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.".

Our Hunspell-derived misspelling index lists 12 documented wrong-spelling variants for nefarious, with forms such as "enfarious", "neafrious", and "nefairous". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin nefārius (“execrable, abominable”), from nefās (“something contrary to divine law, an impious deed, sin, crime”), from ne- (“not”) + fās (“the dictates of religion, divine law”), which is related to Latin for (“to speak, to say”) and cognate to A… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is nefarious, spelled N-E-F-A-R-I-O-U-S, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.