a personal or private matter / (by extension) selfishness

(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

(obsolete) a letter of resignation

earthquake

to commit suicide

(arithmetic) degree (of the power of a number, or a variable) / (graph theory) the number of edges that a vertex takes part in; degree