MacGuffin

/məˈɡʌf.ɪn/

//məˈɡʌf.ɪn// noun

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

The verdict

“MacGuffin” is uncommon English (outside the top frequency list), classed as a noun. 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) - A plot element or other device used to catch the audience's attention and maintain suspense, but whose exact nature has fairly little influence over the storyline.

Corpus desk

Index EN-macguffin · MacGuffin · English

MacGuffin · 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 "M" 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 MacGuffin
PropertyValue
HeadwordMacGuffin
LanguageEnglish
Part of speechNoun
IPA/məˈɡʌf.ɪn/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “MacGuffin” in English

MacGuffinranks 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

MacGuffin is uncommon English outside the top frequency list, classed as anoun, transcribed /məˈɡʌf.ɪn/. Rarity is why readers land here mid-draft. Gloss: "A plot element or other device used to catch the audience's attention and maintain suspense, but whose exact nature has fairly little influence over the storyline.".

The misspelling generator found no plausible variants for MacGuffin, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Used by Alfred Hitchcock, as an arbitrary Scottish surname. The actual name comes from Ulster: Mc- (“son of”) + Irish dubh (“black”) + Irish Fionn (literally “fairheaded”). See also Wikipedia's MacGuffin § History and use. The correct English form is MacGuffin, spelled M-A-C-G-U-F-F-I-N.

Definition

  1. 1
    A plot element or other device used to catch the audience's attention and maintain suspense, but whose exact nature has fairly little influence over the storyline.

Recorded use

Wiktionary examples

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

  1. " […] But we wound up realizing you really can't top yourself. You just tell a different story and hope the new MacGuffin is as compelling as the last MacGuffin."
  2. A paleontologist lately returned from an expedition to Wyoming, where he unearthed the bones of the first brontosaurus (and supplied guns to the Indians on behalf of the Foreign Office, which had succeeded in its policy of balkanizing the North American continent) Mallory comes into possession of the MacGuffin during a Derby Day encounter with Byron's dau…

Etymology

Used by Alfred Hitchcock, as an arbitrary Scottish surname. The actual name comes from Ulster: Mc- (“son of”) + Irish dubh (“black”) + Irish Fionn (literally “fairheaded”). See also Wikipedia's MacGuffin § History and use.

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 "MacGuffin"?
"MacGuffin" is spelled M-A-C-G-U-F-F-I-N. The IPA pronunciation is /məˈɡʌf.ɪn/.
What does "MacGuffin" mean?
As a noun, "MacGuffin" means: A plot element or other device used to catch the audience's attention and maintain suspense, but whose exact nature has fairly little influence over the storyline.
How do you pronounce "MacGuffin"?
The IPA (International Phonetic Alphabet) transcription for "MacGuffin" is /məˈɡʌf.ɪn/. 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 "MacGuffin"?
Used by Alfred Hitchcock, as an arbitrary Scottish surname. The actual name comes from Ulster: Mc- (“son of”) + Irish dubh (“black”) + Irish Fionn (literally “fairheaded”). See also Wikipedia's MacGuffin § History and use. 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