what's the matter

What's the matter (with someone or something)?

What is going on (with someone or something)? What is wrong or the problem (with someone or something)? Hey, what's the matter? You look distressed. What's the matter with this computer? It keeps turning off all on its own. What's the matter with Sarah? She's been in a foul mood all day.See also: matter, someone

what's the matter

What is the difficulty or problem? What troubles or ails you? For example, You look upset-what's the matter? or Can you tell me what's the matter with my car? This idiom uses matter in the sense of "the essence of something," in this case a problem. It was first recorded in 1469. Also see what's with. See also: matter