sound barrier

1. 1.

   the increase in aerodynamic drag as an airplane approaches the speed of sound

   Synonymssonic barrier

   Broaderdrag

Questions about sound barrier

What does sound barrier mean?

sound barrier means "the increase in aerodynamic drag as an airplane approaches the speed of sound".

What is another word for sound barrier?

Close synonyms include sonic barrier. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is sound barrier a common word?

sound barrier is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.