a job that you do for somebody that involves going somewhere to take a message, to buy something, deliver goods, etc. He often runs errands for his grandmother. Her boss sent her on an errand into town. see also fool’s errand Word Origin Old English ǣrende ‘message, mission’, of Germanic origin; related to Old High German ārunti, and obscurely to Swedish ärende and Danish ærinde.Extra examples She made her brother run some little errands for her. She’s gone on an errand for her mother. He always seemed to have a lot of errands to do. It was a perfectly simple errand—what went wrong?