a. [ Compar. Knottier superl. Knottiest. ] 1. Full of knots; knotted; having many knots; as, knotty timber; a knotty rope. [ 1913 Webster ]
2. Hard; rugged; as, a knotty head. [ R. ] Rewe. [ 1913 Webster ]
3. Difficult; intricate; perplexed. [ 1913 Webster ]
A knotty point to which we now proceed Pope. [ 1913 Webster ]