: 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.
The sci-fi horror series, set in fictional Hawkins, Indiana, is in its fifth and final season, which is being released for streaming in three parts. Cheryl V. Jackson, IndyStar, 15 Dec. 2025 Using sci-fi to explore this possibility is of great practical significance today. Literary Hub, 15 Dec. 2025 The sci-fi comedy follows a Paige, Keke Palmer and Naomi Ackie as a crew of boosters (aka professional shoplifters/equal opportunists), who take aim at a cutthroat fashion maven. Glenn Garner, Deadline, 13 Dec. 2025 This skin care technology (short for light-emitting diodes) looks straight out of a sci-fi movie, but there’s tangible science to back its benefits. Stacia Datskovska, Footwear News, 12 Dec. 2025 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 22 Dec. 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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