Translation guide
A person who derives pleasure from inflicting pain or humiliation on others. In Japanese, the loanword サディスト is common, but native terms like 加虐者 exist. Context determines whether it refers to a personality trait, sexual preference, or casual label.
Referring to someone who enjoys causing suffering, in a psychological or everyday sense.
The most direct and widely understood loanword from English. Used in both casual and formal contexts, including psychology.
彼はサディストだ。
He is a sadist.
A native Japanese term meaning 'one who inflicts harm'. More formal and less common in everyday speech, but precise.
彼は加虐者として知られている。
He is known as a sadist.
Abbreviation of サディスト, often used in BDSM contexts or casual conversation. Can sound slangy.
あの人はサドだよね。
That person is a sadist, right?
Specifically referring to someone who derives sexual pleasure from inflicting pain or humiliation.
Same loanword, but context makes the sexual meaning clear. Often used in discussions of BDSM.
彼は性的なサディストだ。
He is a sexual sadist.
Describing actions or traits that are sadistic, rather than labeling a person.
Adjectival form of the loanword, used to describe behavior, jokes, or personality. Very common.
彼のサディスティックな笑みが怖かった。
His sadistic smile was scary.
Native Japanese adjectival form, meaning 'inflicting harm'. More formal and less common than サディスティックな.
加虐的な行為は許されない。
Sadistic acts are unforgivable.
In English, 'sadist' can be used lightly (e.g., 'You're such a sadist for making me run!'). In Japanese, サディスト carries a heavier, often sexual or psychological connotation. For light teasing, use phrases like いじわる (mean) or ひどい (cruel) instead.
もう、ひどいなあ！
You're so mean! (light teasing)
A clinical or formal term for a sexual sadist. Rarely used in everyday conversation.
加虐性愛者は専門的な治療が必要だ。
Sexual sadists require specialized treatment.