Marked by an absence of cleanliness and order
Indifferent to correctness, accuracy, or neatness
The princess was as untidy as her father was tidy.
Ultimately, it will look like an untidy cinnamon roll.
In the immediate right foreground is a tall man in black clothes with untidy blond hair.
untidy heap on the turf.
His writing has become untidy and he always seems to get an ink smudge up the side of his hand.