/ Thesaurus / S Synonyms of square knot Find synonyms for: Noun1. square knot, knotusage: a double knot made of two half hitches and used to join the ends of two cordsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language