: 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.
The unusual, oblong Phantom is a clean-sheet twinjet design that looks like something out of a 1950s sci-fi movie. Michael Verdon, Robb Report, 12 Oct. 2025 Though Zhao said the feature’s sci-fi and fantasy elements were a huge draw for her. Lily Ford, HollywoodReporter, 12 Oct. 2025 The sci-fi adventure film reportedly had a budget of about $180 million. Auzinea Bacon, CNN Money, 12 Oct. 2025 Perhaps that’s too much to ask of a sci-fi movie that should be more about style than substance. Katie Walsh, Twin Cities, 11 Oct. 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 Oct. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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