Translation guide
In Japanese, referring to the youngest child involves specific family terms that reflect birth order and formality. The most common and neutral term is 末っ子, used in everyday conversation. More formal or written contexts may use 末子 or 末娘 for daughters. When speaking within the family, younger siblings are often called by name or title rather than explicitly labeled as the youngest.
To refer to the youngest child in a family in a neutral, everyday context.
The most common and natural way to say 'youngest child' in Japanese. It is warm and colloquial, used in both speaking about one's own family and others'.
彼は末っ子で、みんなに可愛がられている。
He is the youngest child and is doted on by everyone.
末っ子はいつも甘えん坊だ。
The youngest child is always spoiled.
A more formal or written term for 'youngest child'. Often used in official documents, forms, or literary contexts.
家族構成を記入する際、末子の欄に名前を書いた。
When filling out the family composition, I wrote the name in the youngest child field.
Specifically refers to the youngest daughter. Used when gender is relevant or in storytelling.
末娘が結婚することになった。
The youngest daughter is getting married.
To talk about or address the youngest child in a family setting, often using relational terms.
Within the family, the youngest child is usually called by their given name with an honorific like ちゃん (for girls or young boys) or くん (for boys). Explicitly saying 'youngest child' is less common in direct address.
太郎くん、こっちにおいで。
Taro, come here. (Taro is the youngest child)
Literally 'the lowest/bottom child', a descriptive phrase used when explaining birth order. Common in conversation.
一番下の子はまだ小学生です。
The youngest child is still in elementary school.
Directly translating 'youngest child' as 若い子供 (わかいこども) is incorrect and means 'young child', not 'youngest child'.
末っ子 can be used for adults when referring to their birth order personality or family role, e.g., 彼は末っ子気質だ (He has the personality of a youngest child).