Definition of supersonic transport in US English:

supersonic transport

(also SST)


  • A commercial jet capable of exceeding the speed of sound.

    • ‘The M1 tank, not the supersonic transport, is the symbol of the age.’
    • ‘He worked on swing wing jets and supersonic transport, nuclear submarines, radio telescopes and lightweight calipers for disabled people.’
    • ‘However, many believe that the environmental objections to supersonic transport mean it will never be a commercially viable form of passenger transport.’