/ Thesaurus / C Synonyms of contour line Find synonyms for: Noun1. contour, contour line, isometric line, isometricusage: a line drawn on a map connecting points of equal heightWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language