break the sound barrier

- See Also:
- - break faith
  - break free
  - break ground
  - break in
  - break in on or upon
  - break loose
  - break off
  - break one's heart
  - break out
  - break the ice
  - break through
  - break up
  - breakable
  - breakage
  - breakdown
  - breaker
  - breakfast
  - breakfast food
  - breaking
  - breakthrough
  - breakwater
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Also see: break | the | sound

barrier
WordReference English Thesaurus © 2025

Sense: Noun: barricade

Synonyms:

barricade, blockade, roadblock, wall , fence , bar , fortification, bulwark, rampart, palisade, boundary

Sense: Noun: obstacle

Synonyms:

obstacle , obstruction, difficulty , hindrance , hurdle , stumbling block, impediment, encumbrance

Antonyms:

opening , passage , way , door , doorway , passageway, entrance , exit , gate , opening , assistance , aid , help

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