breakneck

/ˈbɹeɪkˌnɛk/

//ˈbɹeɪkˌnɛk// adj

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

The verdict

“breakneck” is uncommon English (frequency #52,191 among 31,241 “B” headwords), classed as an adjective. The kind of spelling people second-guess.

#52,191
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Dangerously fast; hell-for-leather.

Corpus desk

Index EN-breakneck · breakneck · English

breakneck · rank #52,191 · 0 variants · 0 confusables

  • FREQ-RARE #52,191
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 31,241
  • PHOTO-FINISH bringer

Nearest frequency peer: bringer (+1 rank slots)

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.

Frequency neighbourhood for “breakneck”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “breakneck” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for breakneck
PropertyValue
Headwordbreakneck
LanguageEnglish
Part of speechAdjective
IPA/ˈbɹeɪkˌnɛk/
Letters9
Frequency rank#52,191
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “breakneck” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). breakneck lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

breakneck is uncommon English at frequency #52,191 among 31,241 “B” headwords, classed as anadjective, transcribed /ˈbɹeɪkˌnɛk/. Rarity is why readers land here mid-draft. Gloss: "Dangerously fast; hell-for-leather.".

No generated misspelling entries exist for breakneck in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From break + neck. The correct English form is breakneck, spelled B-R-E-A-K-N-E-C-K.

Definition

  1. 1
    Dangerously fast; hell-for-leather.

Etymology

From break + neck.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "breakneck"?
"breakneck" is spelled B-R-E-A-K-N-E-C-K. The IPA pronunciation is /ˈbɹeɪkˌnɛk/.
What does "breakneck" mean?
As an adjective, "breakneck" means: Dangerously fast; hell-for-leather.
How do you pronounce "breakneck"?
The IPA (International Phonetic Alphabet) transcription for "breakneck" is /ˈbɹeɪkˌnɛk/. 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 "breakneck"?
From break + neck. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "breakneck", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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