also: わたくしごと
personal affairs; private matter
Refers to matters concerning one's own private life, as opposed to public or professional matters. Often used in formal or written contexts.
Please avoid leaving your seat for personal matters during the meeting.
He strictly separates his private affairs from his work.
personal secret; privacy
Used when referring to something one wishes to keep private or confidential; often appears in phrases like 私事に立ち入る (to pry into someone's private life).
Please don't pry too much into my personal affairs.
She doesn't like to talk much about her private matters.
I'm sorry to bring up a personal matter, but I'm getting married next month.
It's rude to pry into other people's private affairs.
I'll be taking some time off due to personal reasons.
私生活 focuses on one's private life as a whole (home, family, leisure), while 私事 refers to specific personal matters or affairs.
個人的 is a na-adjective meaning 'personal' or 'individual' used to describe opinions or preferences, whereas 私事 is a noun naming a private matter itself.
私事 refers broadly to one's personal affairs or matters in life, while 私用 more specifically points to using something, or taking leave, for private purposes.
私 (し) is the abstract concept of private matters as opposed to public ones, while 私事 (しじ) specifically means 'a personal matter' or 'one's own business'.
私語 (talking during class/meetings) and 私事 (a personal/private matter) share the kanji 私 but have completely different meanings.
私生活 refers to one's private life in general, whereas 私事 refers to a specific personal matter or affair, often mentioned in passing (私事で恐縮ですが...).
Standard kanji spelling; high priority in news and common usage.
Alternate reading; less common and may sound old-fashioned or formal.
Kana-mixed spelling that clarifies the reading しじ and avoids potential misreading as わたくしごと.
Compound of 私 (private, personal) and 事 (matter, thing). The reading しじ is the standard Sino-Japanese on'yomi; わたくしごと is a mixed kun'yomi reading that is now rare.