Phrase guide

science fiction

adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈsaɪəns ˌfɪkʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪkʃən

1

adj

Meaning 1

Of or pertaining to this genre.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Fiction in which advanced technology or science is a key element.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: scientific romance, scientifiction, sci-fi, SF, skiffy, stf

Antonyms: none provided

Broader terms: imaginative fiction, non-mimetic fiction, SF/F/H, speculative fiction

3

noun

Meaning 3

Technology that, while theoretically possible, is not yet practical.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, uncountable, usually

Examples

  • Despite decades of research, mass-market personal aircraft are still science fiction.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

literary fantasy involving the imagined impact of science on society

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fantasy, phantasy

Narrower terms: cyberpunk

History

Etymology

From science + fiction. First use appears c. 1851. See cite below.

Across languages

Translations

85 source translations are retained for this English entry.

  • Afrikaans: wetenskapfiksie — fiction genre
  • Arabic: خَيَال عِلْمِيّ (ḵayāl ʕilmiyy) — fiction genre
  • Azerbaijani: elmi fantastika — fiction genre
  • Belarusian: навуко́вая фанта́стыка (navukóvaja fantástyka) — fiction genre
  • Belarusian: фанта́стыка (fantástyka) — fiction genre
  • Bulgarian: нау́чна фанта́стика (naúčna fantástika) — fiction genre
  • Catalan: ciència-ficció — fiction genre
  • Chinese Mandarin: 科學幻想 /科学幻想 (kēxué huànxiǎng) — fiction genre
  • Chinese Mandarin: 科幻 (kēhuàn) — fiction genre
  • Chinese Mandarin: 科學虛構 /科学虚构 (kēxué xūgòu) — fiction genre
  • Czech: science fiction — fiction genre
  • Dutch: sciencefiction — fiction genre
  • Finnish: tieteiskirjallisuus — fiction genre
  • French: science-fiction — fiction genre
  • Galician: ciencia ficción — fiction genre
  • Georgian: სამეცნიერო ფანტასტიკა (samecniero panṭasṭiḳa) — fiction genre
  • German: Science-Fiction — fiction genre
  • Greek: επιστημονική φαντασία (epistimonikí fantasía) — fiction genre
  • Hebrew: מַדָּע בִּדְיוֹנִי (madá bid'yóni) — fiction genre
  • Hungarian: tudományos fantasztikum — fiction genre
  • Hungarian: tudományos-fantasztikus irodalom/műfaj — fiction genre
  • Hungarian: sci-fi — fiction genre
  • Icelandic: vísindaskáldskapur — fiction genre
  • Indonesian: fiksi ilmiah — fiction genre
  • Irish: ficsean eolaíochta — fiction genre
  • Italian: fantascienza — fiction genre
  • Japanese: SF (esuefu) — fiction genre
  • Japanese: 空想科学小説 (kūsō kagaku shōsetsu) — fiction genre
  • Japanese: サイエンスフィクション (saiensu fikushon) — fiction genre
  • Kazakh: ғылыми фантастика (ğylymi fantastika) — fiction genre
  • Korean: 과학소설 (gwahaksoseol) — fiction genre
  • Korean: 사이언스 픽션 (saieonseu piksyeon) — fiction genre
  • Korean: 공상과학 소설 (gongsanggwahak soseol) — fiction genre
  • Kyrgyz: илимий фантастика (ilimiy fantastika) — fiction genre
  • Latin: scientia ficticia — fiction genre
  • Lithuanian: mókslinė fantãstika — fiction genre
  • Macedonian: научна фантастика (naučna fantastika) — fiction genre
  • Malay: fiksyen sains — fiction genre
  • Māori: pohewa pūtaiao — fiction genre
  • Māori: paki pohewa pūtaiao — fiction genre
  • Mongolian: шинжлэх ухаан уран зөгнөл (šinžlex uxaan uran zögnöl) — fiction genre
  • Mongolian: шинжлэх ухааны хий бодол (šinžlex uxaany xii bodol) — fiction genre
  • Mongolian: ᠰᠢᠨᠵᠢᠯᠡᠬᠦ ᠤᠬᠠᠭᠠᠨ ᠤᠷᠠᠨ ᠵᠥᠩᠨᠡᠯ (sinǰilekü uqaɣan uran ǰöngnel) — fiction genre
  • Mongolian: ᠰᠢᠨᠵᠢᠯᠡᠬᠦ ᠤᠬᠠᠭᠠᠨ ᠦ ᠬᠡᠢ ᠪᠣᠳᠤᠯ (sinǰilekü uqaɣan-ü kei bodul) — fiction genre
  • Occitan: sciéncia-ficcion — fiction genre
  • Persian: علمی تخیلی ('elmi taxayyoli) — fiction genre
  • Polish: fantastyka naukowa — fiction genre
  • Portuguese: ficção científica — fiction genre
  • Romanian: știință-ficțiune — fiction genre
  • Romanian: science-fiction — fiction genre
  • Russian: фанта́стика (fantástika) — fiction genre
  • Russian: нау́чная фанта́стика (naúčnaja fantástika) — fiction genre
  • Scottish Gaelic: ficsean saidheans — fiction genre
  • Slovak: vedecká fantastika — fiction genre
  • Slovak: science fiction — fiction genre
  • Slovene: znanstvena fantastika — fiction genre
  • Spanish: ciencia ficción — fiction genre
  • Swahili: sayansi ya kubuniwa — fiction genre
  • Swedish: science fiction — fiction genre
  • Tagalog: kathang-agham — fiction genre
  • Tajik: илмӣ-тахайюлӣ (ilmi-taxayyuli) — fiction genre
  • Thai: บันเทิงคดีแนววิทยาศาสตร์ — fiction genre
  • Thai: นิยายวิทยาศาสตร์ — fiction genre
  • Thai: ไซไฟ — fiction genre
  • Turkish: bilim kurgu — fiction genre
  • Ukrainian: науко́ва фанта́стика (naukóva fantástyka) — fiction genre
  • Ukrainian: фанта́стика (fantástyka) — fiction genre
  • Uzbek: ilmiy fantastika — fiction genre
  • Vietnamese: khoa học viễn tưởng — fiction genre
  • Vietnamese: khoa học giả tưởng — fiction genre
  • Yiddish: פֿאַקטאַזיע (faktazye) — fiction genre
  • Chinese Mandarin: 科學幻想 /科学幻想 (kēxué huànxiǎng) — technology which is not yet practical
  • Chinese Mandarin: 科幻 (kēhuàn) — technology which is not yet practical
  • Dutch: sciencefiction — technology which is not yet practical
  • Dutch: toekomstmuziek — technology which is not yet practical
  • Finnish: tieteiskirjallisuus — technology which is not yet practical
  • French: science-fiction — technology which is not yet practical
  • German: Science-Fiction — technology which is not yet practical
  • German: Zukunftsmusik — technology which is not yet practical
  • Icelandic: framtíðarmúsík — technology which is not yet practical
  • Irish: fantaisíocht — technology which is not yet practical
  • Portuguese: ficção científica — technology which is not yet practical
  • Russian: фанта́стика (fantástika) — technology which is not yet practical
  • Slovene: znanstvena fantastika — technology which is not yet practical
  • Turkish: bilim kurgu — technology which is not yet practical