内緒
N1ないしょ
内証内所
[naisho]
Meanings
1.NounNo-adj
secrecy; confidentiality; privacy; secret
2.NounNo-adj
one's circumstances (esp. fiscal)
3.NounNo-adj
《Buddhism》inner realization; personal enlightenment
4.NounNo-adj
kitchen
Examples
このことは内緒にしておいてほしいんだけどいい？
I want you to keep this a secret, okay?
彼女は親に内緒でアルバイトを始めたらしいよ。
She apparently started a part-time job without telling her parents.
内緒の話があるんだけど二人だけで話せないかな。
I have something confidential to tell you - can we talk alone?