Forever
Forever noun - A long or seemingly long period of time.
Usage example: it took forever to fill out all the forms
Split second is an antonym for forever.
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
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Synonyms for Split second
Forever is an antonym for split second.
Both terms in one sentence
- The Magikano anime reveals that the entire cast (and possibly, the world,) are reliving the same year forever, resetting a split second after the big love confession.
Source: Reset Button Ending - In the very first episode of Forever Knight, Nick Knight has a split second to decide whether to save an innocent woman from his maker, or catch a falling cup that is the key to his cure for vampirism.
Source: Friend or Idol Decision
Cite this Source
Split second and Forever. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/forever/split_second
Forever & Split second. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/forever/split_second>.
Split second or Forever. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/forever/split_second.
Google Ngram Viewer shows how "forever" and "split second" have occurred on timeline