dumbfuck

/ˈdʌmˌfʌk/

//ˈdʌmˌfʌk// noun

"dumbfuck" is a 8-letter English headword indexed on PlainSpell.

The verdict

“dumbfuck” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An extraordinarily stupid person.

Corpus desk

Index EN-dumbfuck · dumbfuck · English

dumbfuck · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 dumbfuck
PropertyValue
Headworddumbfuck
LanguageEnglish
Part of speechNoun
IPA/ˈdʌmˌfʌk/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “dumbfuck” in English

dumbfuckranks 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

dumbfuck is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈdʌmˌfʌk/. Rarity is why readers land here mid-draft. Gloss: "An extraordinarily stupid person.".

Zero misspellings are on record for dumbfuck in our index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From dumb + fuck. Dysphemistically modelled after dumbass. The correct English form is dumbfuck, spelled D-U-M-B-F-U-C-K.

Definition

  1. 1
    An extraordinarily stupid person.

Recorded use

Wiktionary example

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

  1. You dumb fucks, you're nothin’ but lunch ducks / Big nuts here swinging like nunchucks

Etymology

From dumb + fuck. Dysphemistically modelled after dumbass.

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 "dumbfuck"?
"dumbfuck" is spelled D-U-M-B-F-U-C-K. The IPA pronunciation is /ˈdʌmˌfʌk/.
What does "dumbfuck" mean?
As a noun, "dumbfuck" means: An extraordinarily stupid person.
How do you pronounce "dumbfuck"?
The IPA (International Phonetic Alphabet) transcription for "dumbfuck" is /ˈdʌmˌfʌk/. 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 "dumbfuck"?
From dumb + fuck. Dysphemistically modelled after dumbass. 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