: 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
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Ultimately, The Boroughs delivers more than a supernatural thrill and sci-fi mystery. Dana Feldman, Forbes.com, 25 May 2026 Broughton nonetheless wears his sci-fi influences proudly. Oscar Holland, CNN Money, 25 May 2026 Sure, sci-fi can be bleak — there's no end to the cosmic horrors and savage alien races that game developers can conjure up — but that almost always comes as a result of humanity's success in space. Ian Stokes, Space.com, 24 May 2026 The always eminently watchable Rebecca Hall (The Man I Love, TV’s The Beauty) both anchors and buoys the tonally irregular but consistently thoughtful and compelling sci-fi comedy-drama The End of It, a feature debut for Catalan writer-director Maria Martinez Bayona. Leslie Felperin, HollywoodReporter, 24 May 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 31 May. 2026.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

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