Thesaurus.com
Dictionary.com
Showing results for sound barrier.
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

In 1947, with its X-1 plane, the team became the first in the history of human flight to break the sound barrier.

From Los Angeles Times • Mar. 31, 2026

The test flight of a plane called XB-1, developed by the company Boom Supersonic, became the first civilian jet to break the sound barrier since the Concorde.

From The Wall Street Journal • Nov. 19, 2025

Along the coast in the city of Tyre, Israeli jets are swooping low, breaking the sound barrier - but the beach below is more crowded.

From BBC • Aug. 26, 2024

But the light barrier is different from the sound barrier.

From "Cosmos" by Carl Sagan