: 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.
This reflects not just Seehorn's charm and Gilligan’s frustrations with antiheroes, but also his anxiety about the prevalence of postapocalyptic sci-fi stories. Judy Berman, Time, 27 Oct. 2025 Now in its third weekend of release, the sci-fi revival has dropped off fast in theaters and earned just $59 million in North America — a dismal result for an IP play with an $180 million production budget. J. Kim Murphy, Variety, 25 Oct. 2025 The latest entry in the sci-fi series stars Dimitrius Schuster-Koloamatangi as Dek, a young Yautja who embarks on a solo mission in a dangerous land of other Predators. Caroline Blair, PEOPLE, 25 Oct. 2025 The screenplay will be written by Nathaniel Halpern, best known for creating Prime Video's sci-fi series Tales from the Loop (which featured an episode directed by West). Wesley Stenzel, Entertainment Weekly, 23 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 29 Oct. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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