# breakneck

> English word · Adjective · IPA /ˈbɹeɪkˌnɛk/ · frequency rank #52,191

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

## Etymology
From break + neck.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/breakneck