私(わたくし)

私(わたくし) is the most formal first-person pronoun in Japanese, used in business settings, formal speeches, and very polite situations.

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• 私(わたくし): very formal (business, ceremonies)
• 私(わたし): polite/neutral (general use)
• 僕(ぼく): casual male speech
• 俺(おれ): very casual male speech
• あたし: casual female speech

Common expressions

• 私(わたくし)ども: we (humble, business)
• 私(わたくし)め: I (very humble, archaic)
• 私(わたくし)の意見(いけん): my opinion (formal)

COMPOUNDS (sense 2, private):
As a noun meaning "private matters":

• 私(わたくし)の時間(じかん): private/personal time
• 私(わたくし)事(ごと): private matter
• 公私(こうし): public and private

Usage

• Job interviews and business meetings
• Formal speeches and presentations
• Customer service and hospitality
• Letters and formal writing