: 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.
Di Placido covers TikTok and Twitter trends, breaking down interesting conversations and controversies surrounding celebrities and the entertainment industry, focusing on fantasy and sci-fi stories such as Star Wars and House of the Dragon. Dani Di Placido, Forbes.com, 21 May 2025 Of course, Peacock offers more than just sci-fi content. Alexander Cox, Space.com, 21 May 2025 Promise’s original content slate spans animation, sci-fi, horror, and fantasy, with multiple projects under way. Dade Hayes, Deadline, 20 May 2025 That film will be the last to premiere in competition, as Cannes awaits the arrival of Josh O’Connor, who is currently in production duties in the United States on Steven Spielberg’s upcoming sci-fi film. Ryan Lattanzio, IndieWire, 20 May 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 25 May. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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