black as coal

adj

"black-as-coal" is a 11-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

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

Corpus desk

Index EN-black-as-coal · black as coal · English

black as coal · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 black as coal
PropertyValue
Headwordblack as coal
LanguageEnglish
Part of speechAdjective
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “black as coal” in English

black as coalranks 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

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

The misspelling generator found no plausible variants for black as coal, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Middle English blak as cole. The correct English form is black as coal, spelled B-L-A-C-K- -A-S- -C-O-A-L.

Definition

  1. 1
    Completely black.

Recorded use

Wiktionary examples

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

  1. I wanna see it painted / painted black / black as night / black as coal
  2. Well she's black as coal, but she burn like a fire, And she wrap herself around you like a well-worn tire.

Etymology

From Middle English blak as cole.

Synonyms

Antonyms

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 "black as coal"?
"black as coal" is spelled B-L-A-C-K- -A-S- -C-O-A-L.
What does "black as coal" mean?
As an adjective, "black as coal" means: Completely black.
What is the origin of the word "black as coal"?
From Middle English blak as cole. 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