reckless or dangerous, especially because of excessive speed; hazardous: He raced through the streets at breakneck speed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use breakneck in a sentence
That uncertainty, which comes with untold economic repercussions, contributed to a slower-than-usual free agent market this winter — but one that now appears to have entered a final, breakneck phase.The Blue Jays gamble on George Springer, hoping to go from a good team to a great one | Dave Sheinin | January 20, 2021 | Washington Post
Founded in October 2017, the upstart coffee chain grew at an apparently breakneck pace to overtake Starbucks as China’s biggest bean-brew slinger by the start of the year.
Uggla built up the company through a breakneck series of acquisitions, culminating in the 2016 merger with IHS.S&P Global reportedly in talks to buy IHS Markit, as race for scale among data providers takes off | kdunn6 | November 30, 2020 | Fortune
Nature’s agonizingly slow process of discovery, driven by cosmological and biological evolution on time scales of millions and billions of years, is accelerated to breakneck speeds in the laboratory.
Strangely, this is happening at a time when vaccine science in general seems to be advancing at breakneck speed.When Bill Gates thinks we’ll have a COVID-19 vaccine—and why that won’t be the end of the pandemic | cleaf2013 | September 21, 2020 | Fortune
Best Buy is caught up in the breakneck world of technological innovation.
Democrats set out to woo a national network of extremely wealthy donors who could support the new breakneck fundraising pace.Time is Money: How to Fix Outrageous Political Spending | Jim Arkedis | November 3, 2014 | THE DAILY BEAST
Private parts, be they of ducks, damselflies or dung beetles, turn out to have evolved novel forms at breakneck speeds.Oh, if These Penises and Vaginas Could Talk: Genitalia as Tools, Toys, and Weapons | Menno Schilthuizen | May 1, 2014 | THE DAILY BEAST
Then try to get a ticket for a Maple Leafs match, to watch the breakneck brutality in action.
To maintain its breakneck growth, it almost has to look for younger members.
It was really a breakneck sort of excursion, which is very rarely made even by the officers, and certainly never by ladies.A Woman's Journey Round the World | Ida Pfeiffer
This coach, of course, traveled by relays, and at what was then considered breakneck speed.British Highways And Byways From A Motor Car | Thomas D. Murphy
With a grin the cabman touched his cap, the door banged, and the hansom set off as if the fare were in a breakneck hurry.The Weight of the Crown | Fred M. White
Mounted orderlies were dashing at breakneck speed between the Presidio and the city.Ancestors | Gertrude Atherton
Sara Lee heard his car going at its usual breakneck speed up the street, and went to the door.The Amazing Interlude | Mary Roberts Rinehart
British Dictionary definitions for breakneck
(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