Sound barrier
Synonyms for Sound barrier
- sonic barrierphysical boundary to supersonic
- sonic wallphysical boundary to supersonic
- transonic barrierphysical boundary to supersonic
- noise barrier
- drag
- retarding force
Possible phrase synonyms
- solid wall
- solid block
- solid obstacle
- good impediment
- strong impediment
- good wall
- strong wall
- stable wall
- sturdy wall
- sturdy fence
- good bar
- good block
- solid bar
- strong bar
- secure barricade
- good railing
- intact wall
- intact fence
- substantial wall
- good difficulty
For more similar words, try Sound barrier on Thesaurus.plus dictionary