: 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.
Far from sci-fi, this is what Austin’s entrepreneurs are building today. Amir Husain, Forbes, 22 Mar. 2025 Yet the notion of a business jet operating at Mach 5 remained a sci-fi fantasy. Michael Verdon, Robb Report, 22 Mar. 2025 Rekha Garton/Apple TV Silo Another Apple TV+ offering, Silo is a must-watch for sci-fi fans. Meg Walters, Glamour, 21 Mar. 2025 The country’s striking architecture and versatile scenery have stood in for the likes of Greece, Rome, and Jerusalem, as well as fantastical lands such as Game of Thrones’ Westeros and the moon called Maiden in the sci-fi epic Foundation. AFAR Media, 21 Mar. 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 29 Mar. 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!