tangle (n)

The laces of his shoes were in such a tangle that he could not untie them.
The wires under the desk were a confusing tangle that needed sorting.
Attempting to unravel the yarn, she found herself in a frustrating tangle.
The jungle path was dense with vegetation, creating a natural tangle.
Untangling the fishing line proved to be a time-consuming tangle of knots.