Subsonic and Transonic

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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Transonic is an antonym for subsonic.

Transonic adjective - (of speed) having or caused by speed approximately equal to that of sound in air at sea level.

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Subsonic is an antonym for transonic.

Cite this Source

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

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

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

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