/ Thesaurus / O Synonyms of open sight Find synonyms for: Noun1. open sight, gunsight, gun-sightusage: rear gunsight having an open notch instead of a peephole or telescopeWordNet 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