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Synonyms

breakneck

American  
[breyk-nek] / ˈbreɪkˌnɛk /

adjective

  1. reckless or dangerous, especially because of excessive speed; hazardous.

    He raced through the streets at breakneck speed.


breakneck British  
/ ˈbreɪkˌnɛk /

adjective

  1. (prenominal) (of speed, pace, etc) excessive and dangerous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of breakneck

First recorded in 1555–65; break + neck

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They can no longer afford to expand at the same breakneck pace they once did.

From The Wall Street Journal • Jul. 7, 2026

There’s a wonderful verve to Early’s filmmaking, allowing what would otherwise come off as breakneck tonal shifts to feel remarkably earned.

From Salon • Jun. 22, 2026

Microfinance’s breakneck expansion in Cambodia in the early 2010s coincided with a government push to formalize land ownership.

From The Wall Street Journal • Jun. 11, 2026

The memory-chip market is growing at breakneck speed, driving big gains for Micron Technology stock.

From Barron's • Jun. 3, 2026

At breakneck speed Ashima knits sweater-vests for her father, her father-in-law, her brother, her three favorite uncles.

From "The Namesake" by Jhumpa Lahiri

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