masturbation; self-pleasuring
A formal, clinical term for the act of masturbation. Used in medical, psychological, or formal contexts. In casual conversation, オナニー or マスターベーション are more common.
Experts say that masturbation does not have a negative effect on health.
He consulted a doctor about the frequency of his masturbation.
Common colloquial term for masturbation, borrowed from German 'Onanie'. Less formal than 自慰行為.
English loanword for masturbation, used in both casual and some educational contexts. Slightly more direct than 自慰行為.
Shorter form of 自慰行為, also meaning masturbation. Can be used in compounds or as a standalone noun, but still formal.
Compound of 自慰 (self-consolation, self-comfort) and 行為 (act, deed). The term is a formal Sino-Japanese coinage used in medical and psychological contexts.