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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.

"Even during our religious holidays, even on Good Friday, jets fly over us and break the sound barrier just to scare us," al-Jamal said.

From Barron's • Apr. 5, 2026

Turns out, it wasn’t a language barrier, it was a sound barrier.

From Los Angeles Times • Dec. 31, 2025

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

At NASA’s High-Speed Flight Research Center on Edwards Air Force Base—the place where pilot Chuck Yeager first cracked through the sound barrier in 1947— engineer John Perry manned an X-15 simulator.

From "Hidden Figures" by Margot Lee Shetterly