tenebrous

/ˈtɛn.ɪ.bɹəs/

//ˈtɛn.ɪ.bɹəs// adj

"tenebrous" is a 9-letter English headword indexed on PlainSpell.

The verdict

“tenebrous” 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) - Dark and gloomy; obscure.

Corpus desk

Index EN-tenebrous · tenebrous · English

tenebrous · 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 "T" 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 tenebrous
PropertyValue
Headwordtenebrous
LanguageEnglish
Part of speechAdjective
IPA/ˈtɛn.ɪ.bɹəs/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tenebrous” in English

tenebroussits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

tenebrous is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈtɛn.ɪ.bɹəs/. Rarity is why readers land here mid-draft. Gloss: "Dark and gloomy; obscure.".

tenebrous doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: ] From Middle English tenebrose, from Anglo-Norman tenebrous (earlier tenebrus), from Latin tenebrōsus, itself from tenebrae (“darkness, shadows”). The correct English form is tenebrous, spelled T-E-N-E-B-R-O-U-S.

Definition

  1. 1
    Dark and gloomy; obscure.

Recorded use

Wiktionary examples

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

  1. Over their heads the towering and tenebrous boughs of the cypress Met in a dusky arch,[…]
  2. […]and it is inevitable that her murdered spirit become a denizen of Jerusalem's tenebrous woods.

Etymology

] From Middle English tenebrose, from Anglo-Norman tenebrous (earlier tenebrus), from Latin tenebrōsus, itself from tenebrae (“darkness, shadows”).

This word in other languages

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 "tenebrous"?
"tenebrous" is spelled T-E-N-E-B-R-O-U-S. The IPA pronunciation is /ˈtɛn.ɪ.bɹəs/.
What does "tenebrous" mean?
As an adjective, "tenebrous" means: Dark and gloomy; obscure.
How do you pronounce "tenebrous"?
The IPA (International Phonetic Alphabet) transcription for "tenebrous" is /ˈtɛn.ɪ.bɹəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "tenebrous"?
] From Middle English tenebrose, from Anglo-Norman tenebrous (earlier tenebrus), from Latin tenebrōsus, itself from tenebrae (“darkness, shadows”). See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list