bedfast

adj

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

The verdict

“bedfast” 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) - Unable to leave one's bed, especially because of illness, weakness or obesity.

Corpus desk

Index EN-bedfast · bedfast · English

bedfast · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 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 bedfast
PropertyValue
Headwordbedfast
LanguageEnglish
Part of speechAdjective
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “bedfast” in English

bedfastfalls 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.

Rare enough to double-check

bedfast is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Unable to leave one's bed, especially because of illness, weakness or obesity.".

Our edit-distance generator produced no likely misspellings for bedfast, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From bed + fast. The correct English form is bedfast, spelled B-E-D-F-A-S-T.

Definition

  1. 1
    Unable to leave one's bed, especially because of illness, weakness or obesity.

Recorded use

Wiktionary examples

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

  1. 1796, Robert Burns, letter written to Mr. Cunningham, 7 July, 1796, in The Prose Works of Robert Burns; Containing his Letters and Correspondence, Newcastle-upon-Tyne: Mackenzie & Dent, 1819, p. 278 https://books.google.ca/books?id=gzYBAAAAQAAJ&printsec=frontcover#v=onepage&q&f=false For these eight or ten months I have been ailing, sometimes bedfast and…
  2. 1948, Robert Heinlein, Space Cadet (1948), from the edition reissued in 1975 by Tom Doherty Associates, LLC: p. 118, lines 13 through 15. "She had been a very active woman... Now she was bed-fast and had been for three years."

Etymology

From bed + fast.

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 "bedfast"?
"bedfast" is spelled B-E-D-F-A-S-T.
What does "bedfast" mean?
As an adjective, "bedfast" means: Unable to leave one's bed, especially because of illness, weakness or obesity.
What is the origin of the word "bedfast"?
From bed + fast. 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