How to say "hypnosis" in Japanese

• 催眠さいみんCommon
  nounThe common word for hypnosis, covering the trance state itself and the act of inducing it; when you want to say that someone was put under hypnosis, this is the word to use.
  金銭的きんせんてきに余裕よゆうがあるのなら併用へいようしても構かまわないが催眠さいみんだけで、十分じゅうぶんに効果こうかがある。↗

  If you have the money, then you may use it with other treatments, but the results from hypnotism alone should be plenty.
• ヒプノシス
  nounA katakana transliteration of the English word, less common than 催眠; you may come across it, but for hypnosis in the ordinary sense 催眠 is the word you want.
• 催眠法さいみんほう
  nounHypnotism as a practice: it points to the method or technique of hypnotizing rather than to the trance state itself, and it is less common than 催眠.

Use 催眠 for hypnosis in general; 「ヒプノシス」 is a less common katakana loanword for the same idea; 催眠法 points to hypnotism as a method or technique of inducing the state.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 催眠さいみんhypnosis
• ヒプノシスhypnosis
• 催眠法さいみんほうhypnosis