sound barrier

NOUN

physical boundary to supersonic

Synonyms

WEAK

sonic barrier sonic wall transonic barrier

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

Boom Supersonic’s XB-1 recently became the first civilian jet to break the sound barrier since the Concorde—a development watched closely by the football league as it considers launching franchises in Europe.

From The Wall Street Journal • Nov. 21, 2025

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

From BBC • Oct. 13, 2024

It is usually easy to do homework in class because Mr. Stet- man’s voice creates a gentle, white-noise sound barrier.

From "Speak" by Laurie Halse Anderson