knotty

Tied or snarled in knots.

Covered with knots or knobs; gnarled.

Difficult to understand or solve.

Full of knots; having many knots.

Hard; rugged.

Difficult; intricate; perplexing; involved.

Full of knots; knotted; having many knots

Hard; rugged.

Difficult; intricate; perplexed.

Full of knots.