: 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 trailer for Hungry has major sci-fi thriller vibes. Georg Szalai, HollywoodReporter, 26 Jan. 2026 The book begins with a familiar spark, a rescue, but Wells wanted to push the setting into something stronger and tougher to move through, eventually coming up with another unique sci-fi setting that Murderbot and its friends can navigate while encountering friends, foes and more eye contact. Kenna Hughes-Castleberry, Space.com, 24 Jan. 2026 While Chris Pratt’s new sci-fi thriller, Mercy, is not shaping up to do terribly well at the box office, reviews are starting to come in during its opening weekend from both critics and fans. Paul Tassi, Forbes.com, 24 Jan. 2026 Its sci-fi promise—a screenless assistant that projected info onto your palm—crashed because of poor performance. Deni Ellis Béchard, Scientific American, 23 Jan. 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 28 Jan. 2026.

Kids Definition

sci-fi

noun
ˈsī-ˈfī
sci-fi adjective

More from Merriam-Webster on sci-fi

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