(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

Alternative spelling of 私達 (“we; us”)

private; mine

in a flash, in an instant

Rare spelling of 鵜 (u): cormorant

a private, soldier / the troops, the rank and file

(by extension) a large quantity

Alternative spelling of 五十路 (isoji): a fifty-year-old; the fiftieth year