Not one's concern; not something one should inquire about or interfere with.
Examples:
- How much I earn is none of your business.
Origin: 'Business' in the sense of 'one's affairs' dates from about 1600
Synonyms: mind your own business
Not one's concern; not something one should inquire about or interfere with.
Examples:
Origin: 'Business' in the sense of 'one's affairs' dates from about 1600
Synonyms: mind your own business