mind one's own business


Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

mind one's own business

Keep from meddling, pay attention to one's own affairs, as in If she would only mind her own business, there would be a lot fewer family quarrels. Already described as a wise course by the ancients (Seneca had it as Semper meum negotium ago, "I always mind my own business"), this precept has been repeated in English since about 1600.
See also: business, mind