nefastous
"nefastous" is a 9-letter English headword indexed on PlainSpell.
The verdict
“nefastous” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - inauspicious, disastrous, ill-omened
Corpus desk
Index EN-nefastous · nefastous · English
nefastous · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "N" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
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.
| Property | Value |
|---|---|
| Headword | nefastous |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “nefastous” in English
Rare enough to double-check
nefastous is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "inauspicious, disastrous, ill-omened".
The misspelling generator found no plausible variants for nefastous, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From Latin nefastus. The correct English form is nefastous, spelled N-E-F-A-S-T-O-U-S.
Definition
- 1inauspicious, disastrous, ill-omened
Recorded use
Wiktionary exampleThese source excerpts show how nefastous appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
THE time of the yeare which they deemed most lucky to Marry in (for almost every Nation has had their nefastous time and dayes) was the first Moneth of the Winter.
Etymology
From Latin nefastus.
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.