/ Thesaurus / S Synonyms of sourness Find synonyms for: Noun1. sour, sourness, tartness, taste, taste sensation, gustatory sensation, taste perception, gustatory perceptionusage: the taste experience when vinegar or lemon juice is taken into the mouth2. sourness, sour, acidity, taste propertyusage: the property of being acidic3. sulkiness, sullenness, moroseness, sourness, ill natureusage: a sullen moody resentful dispositionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language