nigrous

adj

"nigrous" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Black.

Corpus desk

Index EN-nigrous · nigrous · English

nigrous · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 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.

Key facts for nigrous
PropertyValue
Headwordnigrous
LanguageEnglish
Part of speechAdjective
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nigrous” in English

nigrousranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

nigrous is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Black.".

We couldn't generate a plausible misspelling set for nigrous, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin nigrum, + -ous. The correct English form is nigrous, spelled N-I-G-R-O-U-S.

Definition

  1. 1
    Black.

Recorded use

Wiktionary examples

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

  1. Of pillared mists, in nigrous smoking gloom, […]
  2. Sternum: nigrous, clad less densely with longer, usually fusiform, similarly colored squamae; […]

Etymology

From Latin nigrum, + -ous.

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 "nigrous"?
"nigrous" is spelled N-I-G-R-O-U-S.
What does "nigrous" mean?
As an adjective, "nigrous" means: Black.
What is the origin of the word "nigrous"?
From Latin nigrum, + -ous. See the full etymology section above for more details.
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