Word.ws English Dictionary

s.f.

s.f. is the abbreviation of science fiction.

Meaning of science fiction

Noun

science fiction (usually uncountable, plural science fictions)

  1. (usually) Fiction in which advanced technology or science is a key element.
    • Now this applies especially to Science-Fiction, in which the revealed truths of Science may be given, interwoven with a pleasing story which may itself be poetical and true—thus circulating a knowledge of the Poetry of Science, clothed in a garb of the Poetry of Life.1851, William Wilson, A Little Earnest Book Upon a Great Old Subject
  2. (broadly, usually) Technology that, while theoretically possible, is not yet practical.
    • Despite decades of research, mass-market personal aircraft are still science fiction.

See all 3 meanings of science fiction

Proper noun capitalized: S.F.

S.F.

  1. (alternative) Alternative form of SF.

Questions about s.f.

What is s.f. the abbreviation of?
S.f. is the abbreviation of science fiction.
What part of speech is s.f.?
S.f. is a proper noun.

Words near s.f. in the dictionary

  1. S.D. Tex.
  2. S.D.N.Y.
  3. S.D.W.Va.
  4. S.Dak.
  5. S.E.C.
  6. s.f.
  7. S.F.P.D.
  8. S.F.X.
  9. S.I.
  10. S.J.
  11. S.J.D.

Source and license

Adapted from Wiktionary: s.f. (page history and authors); S.F. (page history and authors); science fiction (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “s.f..” Word.ws, https://word.ws/s.f.. Based on Wiktionary, CC BY-SA 4.0.