Relucent
Supersonic and relucent are semantically related. In some cases you can use "Supersonic" instead an adjective "Relucent".
Supersonic
Supersonic adjective - Of speed) greater than the speed of sound in a given medium (especially air.
Relucent and supersonic are semantically related. Sometimes you can use "Relucent" instead an adjective "Supersonic".
Cite this Source
Supersonic and Relucent. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/relucent/supersonic
Relucent & Supersonic. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/relucent/supersonic>.
Supersonic or Relucent. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/relucent/supersonic.
Google Ngram Viewer shows how "relucent" and "supersonic" have occurred on timeline