have no business

Verb

have no business (third-person singular simple present has no business, present participle having no business, simple past and past participle had no business)

1. To not have a right or privilege to do something.
   • We take this step not because this Court's criminal procedure rulings are somehow unimportant.... Instead, we abandon Teagues test because it poses a question this Court has no business' asking.2021, Edwards v. Vannoy (U.S. Supreme Court No. 19–5807), Justice Gorsuch concurring
2. To not have a right or privilege to be in a certain place.
   • 'You have no business being here. You need to go back to the office and sign in. Go down this hall,' he said, pointing, 'and turn right, down the stairs, and then right again.' He ushered her out the door.2014, Connie Willis, Passage