B1
Something or someone that is a mess or is in a mess, looks dirty and disorganized and is not neat.
Dictionary examples:
My desk is such a mess, I found last year's homework under this year's lunch! (0.0)
My backpack's such a mess, I think it's eating my homework! (0.0)
My computer desktop is such a mess, even my icons are lost! (0.0)
Go and clean up that mess in the kitchen. (22.6)
My hair's such a mess! (25.1)
He makes a terrible mess when he's cooking. (29.2)
The house is in a mess. (31.5)