Collocations for untidy - adj.

be, look, seem
I'm afraid the house is rather untidy.

become, get
I've become more untidy since I stopped going out to work.

leave sth (esp. BrE), make sth
My son had left the studio very untidy.
Books and magazines lying around make the place very untidy.

extremely, fairly, very, etc.
a little, slightly, etc.

Untidy is used with these nouns:
desk, hair, house, mess, pile