- a military movement or advance all the way through and beyond an enemy's front-line defense.
- an act or instance of removing or surpassing an obstruction or restriction; the overcoming of a stalemate: The president reported a breakthrough in the treaty negotiations.
- any significant or sudden advance, development, achievement, or increase, as in scientific knowledge or diplomacy, that removes a barrier to progress: The jet engine was a major breakthrough in air transport.
- constituting a breakthrough: engineered with breakthrough technology; Critics called it a breakthrough film.
Origin of breakthrough
First recorded in 1915–20; noun use of verb phrase break through
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for breakthroughs
Like Carver, Borlaug then sought to institutionalize his breakthroughs.Growth Stocks
The Daily Beast
October 17, 2014
Patents provide a vital protection for innovation and breakthroughs.Tesla’s Radical Patent Move is a Plot to Take Over the Road
June 15, 2014
But James was often too early to get credit for his breakthroughs.Charles James Brings Ball Gowns Back to the Metropolitan Museum of Art
May 6, 2014
The book is also filled with stories of breakthroughs that began with a question.Warren Berger Tells How to Ask a ‘Beautiful Question’
March 8, 2014
The summit, held this past Tuesday, does not seem to have made any breakthroughs on furthering the peace process.Taliban’s Quetta Shura Meet in Islamabad to Press for Peace
November 1, 2013
Breakthroughs between entries, except as hereinbefore provided, shall be made not exceeding sixty feet apart.Mining Laws of Ohio, 1921
Word Origin and History for breakthroughs
Online Etymology Dictionary, © 2010 Douglas Harper