knotty

/ˈnä-tē/

adjective

  1. marked by or full of knots; especially : so full of difficulties and complications as to be likely to defy solution

complex complicated intricate involved knotty mean having confusingly interrelated parts. complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure. complicated applies to what offers great difficulty in understanding, solving, or explaining.

noun

  1. pine wood that has a decorative distribution of knots and is used especially for interior finish