none of (one's) business

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none of (one's) business

Something that is of no concern to another. It's really none of his business what I do with the money I earn.
See also: business, none, of

none of someone's business

not of someone's concern. (A gentle rebuke.) Q: When are you going to leave for home? A: None of your business. How I managed to afford all this is none of your business.
See also: business, none, of

(It's) none of your business!

It is nothing that you need to know. It is none of your concern. (Not very polite.) Alice: How much does a little diamond like that cost? Mary: None of your business! John: Do you want to go out with me Friday night? Mary: Sorry, I don't think so. John: Well, what are you doing then? Mary: None of your business!
See also: none, of

none of one's business

Not one's concern, as in How much I earn is none of your business. This expression employs business in the sense of "one's affairs," a usage dating from about 1600. (Also see mind one's own business.) A slangy, jocular variant from about 1930 is none of one's beeswax. The related verb phrase have no business is used to indicate that one should not meddle or interfere, as in He has no business discussing the will with outsiders.
See also: business, none, of
References in periodicals archive ?
As for the protests by gay activists, he concluded: "I really think [it's] none of their business.
Simply put, they would correctly see this as none of their business.
What I do in my private time and how I worship my concept of deity are none of their business.
I am a catholic but I am very wary of religious authoritarians regardless of creed, taking control of aspects of our lives, which is none of their business.
Nasim Hajipour, 17, student, Westerhope: They should come back as it is none of their business what is happening out there.
A JUDGE told a blackmail jury yesterday that a couple's morals were none of their business.
The Gibraltar chief minister today defended the territory's celebrations to mark 300 years of British rule, telling the Spanish it is none of their business.