Rapid
Very fast
Mutual synonyms
Both terms in one sentence
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Josh Gracin's "Nothin' to Lose" has a very fast set of verses (so fast that he hits the second chorus before a minute!), while "Favorite State of Mind" has a rapid-fire chorus.
Source: Motor Mouth -
This made all pulse lasers worthless, as the very thing that on paper made them more powerful was that the light ones fired very fast, and the heavy ones fired two bolts in rapid succession.
Source: Game-Breaking Bug - They were very fast hydrofoil missile boats with an impressively heavy armament for their size (8 Harpoon missiles, double the firepower of an "Osa", and a rapid-fire 76mm gun).
Cite this Source
Very fast and Rapid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/rapid/very_fast
Rapid & Very fast. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/rapid/very_fast>.
Very fast or Rapid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/rapid/very_fast.
Google Ngram Viewer shows how "rapid" and "very fast" have occurred on timeline