sourness means the condition or quality of being sour. Lexicurio rates it Rare gem — a strength score of 74 out of 100.
Etymology
From Middle English sowrenesse, sournesse, from Old English sūrnes (“sourness”), equivalent to sour + -ness.
noun
- The condition or quality of being sour.“[O]ur Tympanouſe ſtatiſts / (In their affected grauitie of voice, / Sovverneſſe of countenance, maners crueltie, / Authoritie, vvealth, and all the ſpavvne of Fortune) / Thinke they beare all the kingdomes vvorth before them; […]”