: 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 a competitive situation, A24 has boarded Hotel Hotel Hotel Hotel, the sci-fi thriller from Together writer-director Michael Shanks. Justin Kroll, Deadline, 29 Sep. 2025 The two first worked together over 35 years ago in the 1989 sci-fi comedy Bill & Ted’s Excellent Adventure, and reprised their roles as Bill Preston (Winter) and Ted Logan (Reeves) for a second and third installment of the cult-classic series in 1991 and 2020. Dave Quinn, PEOPLE, 28 Sep. 2025 Citarella was known for slick, strange digitally altered still-lifes and hyperrealistic sci-fi tableaux. Chris Wiley, New Yorker, 27 Sep. 2025 Over and over, representatives declared that AI was not sci-fi but a fact of modern life, and that international regulatory guardrails needed to be developed immediately, especially around autonomous weapons and nuclear. Andrew R. Chow, Time, 26 Sep. 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 30 Sep. 2025.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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