/ Thesaurus / S Synonyms of sinuousness Find synonyms for: Noun1. sinuosity, sinuousness, curve, curved shapeusage: having curves; "he hated the sinuosity of mountain roads"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language