Knotty \Knot"ty\, 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]