: 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 planet is the setting for an unlikely mix of sci-fi, magic, and fantasy, populated by a bizarre assortment of characters whose origins were usually determined by the out-there whims of toymakers — there really is no other way to explain Snout Spout. Richard Edwards, Space.com, 3 Mar. 2026 All very intriguing and this one is sure to please both action and sci-fi fans. Abid Rahman, HollywoodReporter, 3 Mar. 2026 In Conversation This month’s best sci-fi and fantasy books include titles by Alexis Hall, Jenn Lyons, Adrian Tchaikovsky, and more. Literary Hub, 2 Mar. 2026 Inspired by the sci-fi and fantasy stories that helped her escape from reality during those early years in the US, her writing often explores morality and relationships in hypothetical, fantastical worlds. Katie Campione, Deadline, 2 Mar. 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 5 Mar. 2026.

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!

More from Merriam-Webster