“Sci-fi” in Japanese
Short answer
Sci-fi in Japanese is “ＳＦ” (esuefu). Full meaning: science fiction, sci-fi, SF.
Other ways to say “Sci-fi” in Japanese
サイファイ
saifuai sci-fi, science fiction
空想科学小説
kuusoukagakushousetsu science fiction, sci-fi, fantasy fiction
サイエンスフィクション
saiensufyikushon science fiction, sci-fi
エスエフ
esuefu science fiction, sci-fi, SF
Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.