自分自身|じぶんじしんjibunjishin

1. pronounoneself; myselfmore emphatic than 自分
   自分自身じぶんじしんでするべきだと思おもいますよ。↗

   I think you should do it yourself.

• Synonym自分じぶんNeutralThe everyday word for oneself and the most common choice; it can also mean I. 「自分自身」 simply adds emphasis.
• Synonym自己じこWrittenWritten-style word used mostly in compounds like 「自己紹介」; 「自分自身」 is the more colloquial choice.
• Synonym自身じしんNeutralMeans oneself and also attaches to nouns for emphasis, as in 「彼自身」; 「自分自身」 stresses that it is you yourself.
• Synonym自らみずからWrittenWritten word. Read おのずから it is an adverb meaning naturally; read みずから it means doing something in person, close to 「自分自身」.
• Related本人ほんにんNeutralRefers to the person concerned or involved themselves, as in 「本人確認」; 「自分自身」 instead emphasizes yourself.
• Antonym他人たにんNeutralOther people or outsiders; the direct opposite of 「自分自身」.

Use 「自分」 for ordinary reference to yourself; add 「自分自身」 when you want emphasis. 「自己」 appears in written compounds like 「自己紹介」, 「自身」 follows nouns for emphasis, 「本人」 means the person concerned, and 「他人」 is the opposite.

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

1. 反照はんしょう代だい名詞めいし。自分じぶんを強調きょうちょうした語ご。