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Synonyms

sci-fi

American  
[sahy-fahy] / ˈsaɪˌfaɪ /
Also scifi,

adjective

  1. of or relating to science fiction.

    a writer of sci-fi books.

noun

  1. science fiction.

sci-fi British  
/ ˈsaɪˌfaɪ /

noun

  1. short for science fiction

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Plaza admitted that while it might seem like a strange analogy, the setup of the sci-fi thriller felt much like her grief.

From MarketWatch

The opening chapters of “Firestorm” read like a sci-fi thriller.

From Los Angeles Times

To be clear, the simulation hypothesis is more sci-fi than science.

From The Wall Street Journal

Bring on the new shiny stuff: epic Homeric hugeness from Chistopher Nolan and sci-fi aliens from Steven Spielberg.

From Los Angeles Times

Bestselling sci-fi author Andy Weir has already supplied Hollywood with one radical idea: that watching someone think can be as gripping as watching things explode.

From Los Angeles Times

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.