: 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 Zack Snyder may have his hands full launching Rebel Moon, his sci-fi fantasy film that Netflix unveils Dec. 22, but that doesn’t mean the energetic filmmaker isn’t busy developing other projects. Borys Kit, The Hollywood Reporter, 1 Dec. 2023 Movie production company Toho’s giant monster franchise Godzilla is the longest running film series in history, making it by default also the biggest sci-fi series and horror series of all time. Mark Hughes, Forbes, 30 Nov. 2023 This entire event is an aesthetic one — fulfilling some sort of sci-fi fantasy around what the future should look like without a satisfying explanation for how the future might actually be better or who this is supposed to be for. Condé Nast, WIRED, 30 Nov. 2023 The fantasy is based on the YA novel by Saudi writer Ibraheem Abbas which was a local literary phenomenon due to its pioneering combination of Western sci-fi tropes and Arabic culture and folklore. Nick Vivarelli, Variety, 30 Nov. 2023 Fisher has a part in Snyder’s sci-fi epic for Netflix, Rebel Moon. Vulture, 29 Nov. 2023 And while such doomsday predictions may sound like something most likely to be found in a sci-fi novel or dystopian film, the Turkish-Iranian economist has been accurate with his extreme calls before. Byeleanor Pringle, Fortune, 28 Nov. 2023 Its tone, its inclusivity — Rose is trans, and Donna is fiercely protective of her amid bullying from other neighborhood kids, while UNIT scientist Shirley (Ruth Madeley) uses a wheelchair that can fire tranquilizer darts and rockets — and in its preference for emotional resonance over hard sci-fi. Alan Sepinwall, Rolling Stone, 27 Nov. 2023 Flower Films This 2001 sci-fi psychological thriller was writer/director Richard Kelly's first feature film. Jennifer Ouellette and Sean M. Carroll, Ars Technica, 24 Nov. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sci-fi.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near sci-fi

Cite this Entry

“Sci-fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sci-fi. Accessed 11 Dec. 2023.

Kids Definition


sci-fi adjective

More from Merriam-Webster on sci-fi

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