: 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.
His sci-fi comedy Dying For You, horror film Bad Boy and romantic comedy One Night Only were consecutively selected. Justin Kroll, Deadline, 20 Oct. 2025 The 64-year-old actor famously portrays rebel leader Morpheus, captain of the Nebuchadnezzar, in the hit sci-fi action film franchise. Erin Clack, PEOPLE, 18 Oct. 2025 After a disappointing domestic debut and meager turnout overseas, the sci-fi sequel is fading too fast to have any hope of recouping its $180 million production budget in theaters. J. Kim Murphy, Variety, 18 Oct. 2025 Is there such a thing as cozy sci-fi? Randall Colburn, Entertainment Weekly, 18 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 21 Oct. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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