Flash
Flash noun - A sudden and usually temporary growth of activity.
Heart beat and flash are semantically related. In some cases you can replace phrase "Heart beat" with "Flash", this terms are similar.
Heart beat
Flash and heart beat are semantically related. Sometimes you can use "Flash" instead a noun phrase "Heart beat".
Both terms in one sentence
- In one episode of the Justice League, the Flash feigns death by making his heart beat so fast that it looks like he's flat-lining.
Source: Master of Your Domain
Cite this Source
Heart beat and Flash. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/flash/heart_beat
Flash & Heart beat. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/flash/heart_beat>.
Heart beat or Flash. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/flash/heart_beat.
Google Ngram Viewer shows how "flash" and "heart beat" have occurred on timeline