Subsonic and Supersonic

Opposite meaning words

Subsonic adjective - (of speed) less than that of sound in a designated medium.

Usage example: aircraft flying at subsonic speeds

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Supersonic is an antonym for subsonic.

Supersonic adjective - Of speed) greater than the speed of sound in a given medium (especially air.

Usage example: a supersonic bomber flies so fast that it must release its bombs while the target is still over the horizon

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Subsonic is an antonym for supersonic.

Cite this Source

Supersonic and Subsonic. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/subsonic/supersonic

Subsonic & Supersonic. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/subsonic/supersonic>.

Supersonic or Subsonic. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/subsonic/supersonic.

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