Flash
Flash noun - A very small space of time.
Usage example: the shower will be over in a flash
Split second is a synonym for flash in moment topic. In some cases you can use "Split second" instead a noun "Flash", when it comes to topics like time.
Split second
Split second noun - A very small space of time.
Usage example: a devastating accident can cause everything in your life to change in a split second
Show all Definitions
Synonyms for Split second
Flash is a synonym for split second in moment topic. You can use "Flash" instead a noun phrase "Split second", if it concerns topics such as time, very short time.
Mutual synonyms
Both terms in one sentence
- If you have kids you would never take your eyes off them, because you never know that in a split second, someone would snatch them in a flash, the moment you look away.
Source: Paranoia Fuel / Live-Action TV -
Before each mission in the "Heroes of the Fleet" DLC, during the simulation's boot screen, some letters flash red for a split second.
Source: Video Game / Strike Suit Zero -
In Doom, muzzle flash will (slightly) illuminate the entire visible area for a split second, letting the chaingun act almost like a short-length flashlight.
Source: Muzzle Flashlight
Cite this Source
Split second and Flash. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/flash/split_second
Flash & Split second. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/flash/split_second>.
Split second or Flash. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/flash/split_second.
Google Ngram Viewer shows how "flash" and "split second" have occurred on timeline