/ Thesaurus / K Synonyms of knottiness Find synonyms for: Noun1. complicatedness, complication, knottiness, tortuousness, complexity, complexnessusage: puzzling complexityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language