: 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.
In the last two years, AI has transitioned from the stuff of sci-fi to workaday reality. Aytekin Tank, Forbes.com, 8 July 2025 Expect laughs, surprises and plenty of sci-fi absurdity. Katie Campione, Deadline, 8 July 2025 That's because, depending on the levels of sci-fi Kryptonian technology on display here, these answers could be vastly different. Robert Lea, Space.com, 7 July 2025 There is anime for various kinds of people — there’s action, romance, slice-of-life, sci-fi, fantasy. Abbey White, HollywoodReporter, 6 July 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 12 Jul. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!