How to say "anus" in Japanese
Choosing the right word
- 肛門こうもんnounThe neutral, common word for the anus as a body part, and the usual choice in medical contexts and ordinary polite reference; use it unless you specifically need slang or a vulgar insult.
- nounA katakana loanword for the anatomical anus; less common than 肛門 and seldom the word you want, since 肛門 covers the neutral sense in both medical and everyday contexts.
- 尻穴けつめどnounA colloquial word for the anus, literally 'buttock hole'; blunt and informal, it is out of place in careful or medical language and is not the everyday word for the body part.
- ケツ穴けつあなnounVulgar slang for the anus that also works as an insult — an 'asshole' or 'arsehole', i.e. a contemptible person; appropriate only in crude, rough speech, never in polite conversation.
- ケツの穴けつのあなexpression, nounThe same vulgar slang as ケツ穴, spelled with の: it denotes the anus and, figuratively, an 'asshole' in the insult sense; strongly crude and unsuitable for any polite context.
For the anatomical anus use 肛門, the neutral common word; 「アヌス」 is a less common loanword, 尻穴 a colloquial one, and 「ケツ穴」 and 「ケツの穴」 are vulgar options that double as insults meaning 'asshole'.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
See also
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