: 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.
Tramell Tillman is an American actor best known for playing the turtleneck-wearing, exceedingly loquacious supervisor Seth Milchick on the award-winning Apple TV (formerly Apple TV+) dystopian sci-fi thriller Severance (2022– ). — Laura Payne, Encyclopedia Britannica, 2 Oct. 2026 The idea of blisteringly fast futuristic racing is also simply cool – a fascinating thought that so much sci-fi media has been endlessly fascinated with. — Hayes Madsen, Space.com, 2 Oct. 2026 The film turns the princess tale into a passage across medieval fantasy, retro-futurist sci-fi and the present day. — Emiliano De Pablos, Variety, 30 Sep. 2026 Jennifer Lawrence will star in Zach Cregger’s sci-fi thriller The Flood. — Borys Kit, HollywoodReporter, 29 Sep. 2026 See All Example Sentences for sci-fi

Word History

Etymology

shortened from science fiction

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of sci-fi was in 1953

Browse Nearby Words

Cite this Entry

“Sci-fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sci-fi. Accessed 5 Oct. 2026.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

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