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Definitions

sound barrier

NOUN
physical boundary to supersonic
Synonyms


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.

But its treatment in general showed "there are still areas where the #MeToo movement has not yet breached the sound barrier, chiefly in men's football," she added.

From Barron's • Feb. 24, 2026

Chief Executive Bryon Hargis said it isn’t the straightforward engineering of quintupling the sound barrier that has held the U.S. back, but the manufacturing challenge of mass-producing weapons that can do so reliably and economically.

From The Wall Street Journal • Dec. 5, 2025

Intense sonic booms could be heard overhead as Israeli jets broke the sound barrier.

From BBC • Oct. 13, 2024

In 1947, Chuck Yeager broke the sound barrier just north of Los Angeles County, at Edwards Air Force Base, where space shuttles landed from 1981 through 2009.

From Los Angeles Times • Jun. 17, 2024

Surely they’d broken the sound barrier but were moving too fast to notice.

From "The Last Last-Day-of-Summer" by Lamar Giles