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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.

See Examples For:

The passing of the two leaders into China's history books marks a definitive end to the breakneck reforms of the 1990s and early 2000s, with an emphasis on private entrepreneurship and wealth creation.

From BBC Aug. 18, 2026

It emerges from millions of online users, evolving collectively, mutating at breakneck speed and often disappearing as quickly as it appears.

From BBC Jul. 29, 2026

Many of the students who find themselves scaling up big ideas at a breakneck pace aren’t sure they will go back to college when the summer is over.

From The Wall Street Journal Jul. 5, 2026

China's economy -- second in size only to that of the United States -- has struggled in recent years to keep up with the breakneck pace of development it maintained in previous decades.

From Barron's Jun. 24, 2026

Flying past the three-eighths pole at breakneck speed, Modern Youth suddenly spooked, bolting to the right, and headed straight for the outer rail.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

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