somnolent

/ˈsɒmnələnt/

//ˈsɒmnələnt// adj

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

The verdict

“somnolent” 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) - Drowsy or sleepy.

Corpus desk

Index EN-somnolent · somnolent · English

somnolent · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 somnolent
PropertyValue
Headwordsomnolent
LanguageEnglish
Part of speechAdjective
IPA/ˈsɒmnələnt/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “somnolent” in English

somnolentranks 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

somnolent is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈsɒmnələnt/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for somnolent, 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, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: First attested in 1615. Borrowed from French somnolent, from Old French sompnolent, from Latin somnolentus, from somnus (“sleep”). The correct English form is somnolent, spelled S-O-M-N-O-L-E-N-T.

Definition

  1. 1
    Drowsy or sleepy.
  2. 2
    Causing literal or figurative sleepiness.

Recorded use

Wiktionary examples

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

  1. One minute she was gazing at a mockup of a space capsule, safely surrounded by old, somnolent men; […]
  2. […]; and in chronicling the passing parade of Harry's life, the books have also created a Kodachrome-sharp picture of American life - the psychic ups and downs, enthusiasms and reversals experienced by this nation as it moved from the somnolent 50's through the upheavals of the 60's and 70's into the uncertainties of the 80's.

Etymology

First attested in 1615. Borrowed from French somnolent, from Old French sompnolent, from Latin somnolentus, from somnus (“sleep”).

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 "somnolent"?
"somnolent" is spelled S-O-M-N-O-L-E-N-T. The IPA pronunciation is /ˈsɒmnələnt/.
What does "somnolent" mean?
As an adjective, "somnolent" means: Drowsy or sleepy.
How do you pronounce "somnolent"?
The IPA (International Phonetic Alphabet) transcription for "somnolent" is /ˈsɒmnələnt/. 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 "somnolent"?
First attested in 1615. Borrowed from French somnolent, from Old French sompnolent, from Latin somnolentus, from somnus (“sleep”). 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