knottiness

The condition of being knotty; the state of having many knots or swellings.

The quality of being knotty; difficulty of solution; intricacy; complication: as, the knottiness of a problem.

In geometry, the minimum number of nodes in the projection of a knot on a plane or other single-sheeted, singly connected surface.

The quality or state of being knotty or full of knots.

Difficulty of solution; intricacy; complication.

The state of being knotty.

puzzling complexity