sci-fi

adjective

ˈsī-ˈfī How to pronounce sci-fi (audio)
: 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.
Jack Coleman, who co-starred in the sci-fi drama Heroes alongside Hayden Panettiere, mourned the actress’ death at age 36 in an emotional tribute. — Charisma Madarang, Rolling Stone, 20 Aug. 2026 Join award-winning comic book creators for a look at the stories redefining horror, crime, fantasy, sci-fi, and genres that refuse to fit the mold. — Nick Romano, Entertainment Weekly, 19 Aug. 2026 The real world is always more boring than sci-fi, but solving this part of the puzzle will still be fascinating and not easy. — Reed Albergotti, semafor.com, 19 Aug. 2026 The sci-fi series starring Alexander Skarsgård revealed a list of 25 recurring actors and guest stars for the series, which is currently filming. — Rick Porter, HollywoodReporter, 19 Aug. 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

Rhymes for sci-fi

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Browse Nearby Words

SCIF
sci-fi
scilicet
See all Nearby Words

Cite this Entry

“Sci-fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sci-fi. Accessed 23 Aug. 2026.

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Kids Definition

sci-fi

noun
ˈsī-ˈfī
: science fiction
sci-fi adjective

More from Merriam-Webster on sci-fi

Nglish: Translation of sci-fi for Spanish Speakers

Britannica.com: Encyclopedia article about sci-fi

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