: of, relating to, or being science fiction
a sci-fi film
sci-fi noun

Examples of sci-fi in a Sentence

Recent Examples on the Web
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Innovation in Production Across legal markets, AI is already creeping into cultivation, not as sci-fi robots trimming buds, but as quiet systems making decisions humans used to make by gut. Aisha Alves, Rolling Stone, 3 Feb. 2026 The sci-fi action movie streams March 6 on Netflix. Brian Truitt, USA Today, 3 Feb. 2026 This sci-fi pilgrimage sounds like the perfect way to end a gloomy winter. Literary Hub, 2 Feb. 2026 Unlike even the ’70s, which really only elevated a handful of genres like the crime drama, the 2020s has gotten downright freewheeling, giving vampire movies, sports movies and sci-fi movies the gritty auteur treatment too. Steven Zeitchik, HollywoodReporter, 30 Jan. 2026 See All Example Sentences for sci-fi

Word History

Etymology

shortened from science fiction

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of sci-fi was in 1953

Browse Nearby Words

Cite this Entry

“Sci-fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sci-fi. Accessed 9 Feb. 2026.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

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