/ Thesaurus / C Synonyms of chalk line Find synonyms for: Noun1. chalk line, snap line, snapline, string, twineusage: a chalked string used in the building trades to make a straight line on a vertical surfaceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language