Flash
Impromptu
Impromptu adjective - Made or done without previous thought or preparation.
Both words in one sentence
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In True Lies, Arnold Schwarzenegger uses a gas-truck nozzle and the muzzle flash from his submachine gun to make a rather disturbingly powerful impromptu flamethrower.
Source: Aerosol Flamethrower -
Subverted near the beginning of Royal Flash , Flashman witnesses an impromptu match between Otto von Bismarck and retired bareknuckle boxer John Gully.
Source: Good Old Fisticuffs
Cite this Source
Impromptu and Flash. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flash/impromptu
Flash & Impromptu. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flash/impromptu>.
Impromptu or Flash. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flash/impromptu.
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