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

an operating system

unit kitchen, a complete kitchen, custom kitchen, a kitchen fitted with appliances, a fitted kitchen, an integrated kitchen system

(computing, Internet) a system operator, especially someone who administers an online communications system or bulletin board

a systems engineer

work done for free, unpaid work, uncompensated work / work done in vain, work with no favorable end result

to work for free, to work without pay or other compensation / to work in vain, to work with no favorable end result

(archaic, grammar) any word that declines or conjugates / (archaic, grammar) more specifically, a verb