/ Thesaurus / S Synonyms of sour salt Find synonyms for: Noun1. sour salt, flavorer, flavourer, flavoring, flavouring, seasoner, seasoningusage: crystals of citric acid used as seasoningWordNet 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