Flash
Flash noun - A sudden and usually temporary growth of activity.
Propellant and flash are semantically related In some cases you can use "Propellant" instead a noun "Flash".
Propellant
Propellant noun - Any substance that propels.
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Synonyms for Propellant
Flash and propellant are semantically related in stimulus topic. Sometimes you can use "Flash" instead a noun "Propellant", if it concerns topics such as provocation.
Cite this Source
Propellant and Flash. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flash/propellant
Flash & Propellant. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flash/propellant>.
Propellant or Flash. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flash/propellant.
Google Ngram Viewer shows how "flash" and "propellant" have occurred on timeline