a personal or private matter / (by extension) selfishness

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

personal, private / secret

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

Alternative spelling of 私達 (“we; us”)

(sports) a game/match between teams from Waseda University and Keio University

rate of advancement to the next educational level

sworn elder brother / (gay slang) older male in a homosexual relationship

a small hawk / a male hawk / musket, male sparrowhawk

(archaic) a noblewoman who is elder sister to another one in her family