: 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.
But possibly the most prominent and successful experiment in Twitublishing was when the New Yorker serialized a Jennifer Egan sci-fi story on their account, and later collected and published it in print. Literary Hub, Literary Hub, 17 Nov. 2025 Production has quietly wrapped in the UK on sci-fi thriller The Tenth Planet – The Red Sister, starring two-time Oscar winner Kevin Spacey. Andreas Wiseman, Deadline, 14 Nov. 2025 Brown, who's now 21, was just 12 when the sci-fi story was first released. Raechal Shewfelt, Entertainment Weekly, 14 Nov. 2025 Harbour went straight from promo events for the latest and final season of Netflix sci-fi drama Stranger Things to the Evil Genius set. Jack Smart, PEOPLE, 12 Nov. 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 18 Nov. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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