: 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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In 2001, the film landscape didn't exactly reward fans who liked funny sci-fi. Sergio Pereira, Space.com, 8 June 2026 No, the truly strange thing — still remarkable to experience among thousands — is the way their fame is grounded in epic rafts of sci-fi nerdiness. Joshua Rothkopf, Los Angeles Times, 8 June 2026 Later that year, it was parodied by Will Ferrell on Saturday Night Live and referenced by Jodie Foster in the sci-fi film Contact. Savannah Walsh, Vanity Fair, 8 June 2026 Plot details are being kept under wraps, but the project is described as a high concept high school comedy with a sci-fi twist. Borys Kit, HollywoodReporter, 8 June 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 15 Jun. 2026.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

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