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.

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

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

And in Granbury, Texas, a 24ft-high sound barrier was erected in 2023 at a mining site after residents complained to public officials that the nonstop roar was keeping them awake and giving them migraines.

From BBC • May 22, 2025

The second woman to break the sound barrier was one of Cochran's WASPs, Jean Hixson, who flew a Delta Dagger military jet in 1958, which was against regulations.

From "Women in Space" by Karen Bush Gibson