a personal or private matter / (by extension) selfishness

personal, private / secret

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

private; mine

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

everywhere

hammock

(only in compounds, music) hardcore

stagnant / stagnation / becoming stagnant / falling into decay

a state of stopping; stagnate