of or relating to science fiction: a writer of sci-fi books.


Origin of sci-fi

First recorded in 1950–55; by shortening Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for sci-fi

sci-fi, SF, futurism

Examples from the Web for sci-fi

Contemporary Examples of sci-fi

Historical Examples of sci-fi

  • The problem with hotels is that they have a lot of non-gamers in them, too -- and not just sci-fi people.

    Little Brother

    Cory Doctorow

British Dictionary definitions for sci-fi



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