: 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.
Most recently, Guillén starred in the Warner Bros. sci-fi thriller Companion and can be seen in Mike Flanagan’s adaptation of Stephen King’s The Life of Chuck and Disney+’s Alexander and the Terrible, Horrible, No Good, Very Bad Road Trip. Denise Petski, Deadline, 26 June 2025 Characters Mio and Zoe get trapped together in a deadly combination of their fantasy and sci-fi creations. Sabrina Rojas Weiss, Parents, 26 June 2025 In sci-fi and fantasy, technology and magic often function in similar ways, fundamentally structuring how a society functions—particularly in relationship to work. Literary Hub, 26 June 2025 Meanwhile, Turner is busy with his own projects, including his lead role in the sci-fi series Neuromancer and the 2025 film Atropia, which premiered at Sundance. Sarah Jones, People.com, 25 June 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 1 Jul. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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