: 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.
Pick up my sci-fi novels the Herokiller series and The Earthborn Trilogy. Paul Tassi, Forbes.com, 3 Apr. 2025 The screenplay is based on a story by Spielberg and is expected to incorporate sci-fi elements. Brent Lang, Variety, 3 Apr. 2025 It’s based on the 2003 South Korean sci-fi comedy, Save the Green Planet. Chris Gardner, HollywoodReporter, 2 Apr. 2025 Of course, Starz has other sci-fi hits to choose from and a wider streaming library. Alexander Cox, Space.com, 2 Apr. 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 16 Apr. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

Last Updated: - Updated example sentences
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