: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Forbes is protected by reCAPTCHA, and the Google Privacy Policy and Terms of Service apply. Follow me on Twitter, YouTube, Bluesky and Instagram. Pick up my sci-fi novels the Herokiller series and The Earthborn Trilogy. Paul Tassi, Forbes.com, 14 June 2025 Today, the sci-fi bridge doesn’t seem as far-fetched. Nicole Hoey, Robb Report, 14 June 2025 While the show featured many of the same characters, its format strayed from the sci-fi space narrative of Spaceballs and instead was a series of parodies, each episode serving as a satirical commentary on several contemporary hits, such as Lord of the Rings, American Idol and Harry Potter. Maddie Garfinkle, People.com, 13 June 2025 She wasn’t convinced by the initial pitch at first because sci-fi hasn’t traditionally had a lot of major roles for actors of color. Emily Zemler, Los Angeles Times, 13 June 2025 See All Example Sentences for sci-fi

Word History

Etymology

shortened from science fiction

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of sci-fi was in 1954

Browse Nearby Words

Cite this Entry

“Sci-fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sci-fi. Accessed 18 Jun. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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