nefario

[neˈfaɾjo]

/[neˈfaɾjo]/ adj

The verdict

“nefario” is uncommon Spanish (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Extremadamente malvado, falto de piedad.

Corpus desk

Index ES-nefario · nefario · Spanish

nefario · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for nefario
PropertyValue
Headwordnefario
LanguageSpanish
Part of speechAdjective
IPA[neˈfaɾjo]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “nefario” en español

nefarioqueda fuera de las 100.000 palabras españolas más frecuentes, en la cola larga de vocabulario técnico, arcaico o raro, justo donde más se duda de la ortografía.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nefario is uncommon Spanish outside the top frequency list, classed as anadjective, transcribed [neˈfaɾjo]. Rarity is why readers land here mid-draft. Gloss: "Extremadamente malvado, falto de piedad.".

We couldn't generate a plausible misspelling set for nefario, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is nefario, spelled N-E-F-A-R-I-O.

Definition

  1. 1
    Extremadamente malvado, falto de piedad.

Recorded use

Wiktionary example

These source excerpts show how nefario appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Homero, Hesíodo atribuyeron a los dioses todo lo que entre humanos es reprensible y sin decoro; y contaron sus lances nefarios infinitos: robar, adulterar y el recíproco engaño.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "nefario"?
"nefario" is spelled N-E-F-A-R-I-O. The IPA pronunciation is [neˈfaɾjo].
What does "nefario" mean?
As an adjective, "nefario" means: Extremadamente malvado, falto de piedad.
How do you pronounce "nefario"?
The IPA (International Phonetic Alphabet) transcription for "nefario" is [neˈfaɾjo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "nefario" come from?
"nefario" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list