(of a room, person etc) not tidy
dirty, disorderly
Cases of word usage
1) (of the hair or clothes) untidy (dishevelled)
2) very untidy (disorderly)
3) (an example of) shapeless, untidy handwriting; to write or draw (something) quickly and carelessly (scrawl)
4) dirty and untidy (scruffy)
5) (of hair) rough, coarse and untidy (shaggy)
6) (of a place) dirty, untidy (sleazy)
7) to grow, spread, in an irregular or untidy manner; to be (far) behind a group while moving forward (straggle)
8) untidy and worn (tatty)
9) to make (especially the hair) untidy (tousle)
10) untidy (the usual word) (unkempt)