Thesaurus.com
Dictionary.com
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.

See Examples For:

A British driver who was the first person to break the sound barrier in a car on land has set a new speed record, this time in a hydrogen-powered vehicle.

From BBC Aug. 12, 2026

Chuck Yeager’s 1947 flight that broke the sound barrier occurred at Edwards, as well as the first landings of the Space Shuttle in 1981.

From The Wall Street Journal Jun. 15, 2026

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

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

His eyes got misty as he described what it was like to break the sound barrier.

From "The Glass Castle" by Jeannette Walls



Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training