Hypersonic
Rapid and hypersonic are semantically related. in speedy topic. In some cases you can use "Rapid" instead an adjective "Hypersonic".
Rapid
Rapid adjective - Moving, proceeding, or acting with great speed.
Hypersonic and rapid are semantically related. You can use "Hypersonic" instead an adjective "Rapid".
Mutual synonyms
Both words in one sentence
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Pulser guns, the most basic small arm, also follow the same principle, rapid-firing a stream of hypersonic darts.
Source: Flechette Storm
Cite this Source
Rapid and Hypersonic. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/hypersonic/rapid
Hypersonic & Rapid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/hypersonic/rapid>.
Rapid or Hypersonic. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/hypersonic/rapid.
Google Ngram Viewer shows how "hypersonic" and "rapid" have occurred on timeline