sci-fi

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsaɪfaɪ/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈsaɪˈfaɪ/ ,USA pronunciation: respelling(sī′fī′)


WordReference Random House Learner's Dictionary of American English © 2026
sci-fi /ˈsaɪˈfaɪ/, n., adj. Informal.USA pronunciation  
  1. Literaturescience fiction.
See -sci-.
WordReference Random House Unabridged Dictionary of American English © 2026
sci-fi  (sī′fī′),USA pronunciation [Informal.]
adj. 
  1. Literatureof or pertaining to science fiction:a writer of sci-fi books.

n. 
  1. LiteratureSee science fiction. 
  • by shortening 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
sci-fi / ˈsaɪˌfaɪ/
  1. short for science fiction
'sci-fi' also found in these entries (note: many are not synonyms or translations):
reader

Forum discussions with the word(s) "sci-fi" in the title:


Look up "sci-fi" at Merriam-Webster
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