fall asleep

verb

"fall-asleep" is a 10-letter English headword indexed on PlainSpell.

The verdict

“fall asleep” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To pass from a state of wakefulness into sleep.

Key facts for fall asleep
PropertyValue
Headwordfall asleep
LanguageEnglish
Part of speechVerb
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fall asleep” sits in English frequency

fall asleep falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for fall asleep is 11 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

fall asleep 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, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is fall asleep, spelled F-A-L-L- -A-S-L-E-E-P.

Definition

  1. 1
    To pass from a state of wakefulness into sleep.
  2. 2
    To be affected by paresthesia; to go numb.
  3. 3
    To die (often seen on gravestones).

Synonyms

Antonyms

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 "fall asleep"?
"fall asleep" is spelled F-A-L-L- -A-S-L-E-E-P.
What does "fall asleep" mean?
As a verb, "fall asleep" means: To pass from a state of wakefulness into sleep.
What language does "fall asleep" come from?
"fall asleep" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Using “fall asleep”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is F-A-L-L- -A-S-L-E-E-P - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list