Flash and Surge

Flash

Flash noun - A sudden and usually temporary growth of activity.

Usage example: a flash of last-minute trips to the video store before the onset of the big snowstorm

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Surge and flash are semantically related. in burst topic. In some cases you can use "Surge" instead the word "Flash" as a noun or a verb.

Nearby Words: flashy, flashed, flashing, flasher, flashback

Surge noun - A moving ridge on the surface of water.

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Flash and surge are semantically related. Sometimes you can use "Flash" instead the word "Surge" as a noun or a verb.

Nearby Words: surged, surging

full	full flash	full surge
similar	similar flash	similar surge
brief	brief flash	brief surge
initial	initial flash	initial surge
Other adjectives: simple, small, large, big, huge, quick, new, momentary, unexpected, later, explosive, random, occasional, sudden, magical.

It's the storm surge and the flash flooding.

Source: Making a Splash
Prompt critical on the other hand, means you're screwed before you even have time to say "Oh Crap!.", the sudden power spike caused the water in the reactor to superheat and flash to steam, and the pressure surge ejected the control rod, which impaled the technician on the roof of the compartment.

Source: Failsafe Failure

Cite this Source

Surge and Flash. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flash/surge

Flash & Surge. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flash/surge>.

Surge or Flash. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flash/surge.

Google Ngram Viewer shows how "flash" and "surge" have occurred on timeline