Phrase guide

sound barrier

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Sonic barrier, the sudden increase in drag (resistance) and other effects experienced by moving objects when their speed approaches that of sound or becomes supersonic (which used to be considered a barrier to higher speeds).

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A noise barrier, a structure beside a highway designed to reduce the noise of traffic.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sonic barrier

Antonyms: none provided

Broader terms: drag, retarding force

History

Etymology

No etymology was provided for this word.

Across languages

Translations

30 source translations are retained for this English entry.

  • Danish: lydmur — drag and other effects of approaching the speed of sound
  • Finnish: äänivalli — drag and other effects of approaching the speed of sound
  • French: mur du son — drag and other effects of approaching the speed of sound
  • German: Schallmauer — drag and other effects of approaching the speed of sound
  • Italian: barriera del suono — drag and other effects of approaching the speed of sound
  • Italian: muro del suono — drag and other effects of approaching the speed of sound
  • Norwegian Bokmål: lydmur — drag and other effects of approaching the speed of sound
  • Norwegian Nynorsk: lydmur — drag and other effects of approaching the speed of sound
  • Polish: bariera dźwięku — drag and other effects of approaching the speed of sound
  • Polish: bariera dźwiękowa — drag and other effects of approaching the speed of sound
  • Russian: звуково́й барье́р (zvukovój barʹjér) — drag and other effects of approaching the speed of sound
  • Swedish: ljudvall — drag and other effects of approaching the speed of sound
  • Tagalog: tunuging hadlang — drag and other effects of approaching the speed of sound
  • Thai: กําแพงเสียง — drag and other effects of approaching the speed of sound
  • Turkish: ses duvarı — drag and other effects of approaching the speed of sound
  • Ukrainian: звукови́й бар'є́р (zvukovýj barʺjér) — drag and other effects of approaching the speed of sound
  • Danish: støjvold — noise-reducing structure
  • Danish: støjskærm — noise-reducing structure
  • Danish: støjafskærmning — noise-reducing structure
  • Finnish: meluaita — noise-reducing structure
  • Finnish: meluvalli — noise-reducing structure
  • French: mur anti-bruit — noise-reducing structure
  • German: Lärmschutzwand — noise-reducing structure
  • German: Lärmschutzwall — noise-reducing structure
  • Italian: barriera antirumore — noise-reducing structure
  • Italian: barriera acustica — noise-reducing structure
  • Swedish: bullerplank — noise-reducing structure
  • Thai: กําแพงเสียง — noise-reducing structure
  • Thai: กําแพงกันเสียง — noise-reducing structure
  • Turkish: ses bariyeri — noise-reducing structure