sci-fi
Americanadjective
noun
noun
Etymology
Origin of sci-fi
First recorded in 1950–55; by shortening
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Her latest sci-fi book, Exit Party, is no exception.
From Slate ● Sep. 17, 2026
AI leaders, mostly men, mostly in their 40s and 50s, constantly invoke the sci-fi they were raised on.
From The Wall Street Journal ● Sep. 15, 2026
At the time, many thought this was in the realm of sci-fi and the real threats were comparatively far more mundane: job losses, cheating in exams.
From BBC ● Sep. 13, 2026
Michael Dorn, who, as the Klingon Starfleet officer Worf, has more screen time than any other “Star Trek” actor, was first a fan and he recognizes how the show was more than just sci-fi.
From Los Angeles Times ● Sep. 8, 2026
“Hai Ram, not every sci-fi has to have a killer robot in it, Rishi Patel. Just read it.”
From "When Dimple Met Rishi" by Sandhya Menon
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.