Definition of "sourest" [sourest]

• Superlative form of sour: most sour. (adjective)

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• "More of the inane WWII comparisons from the sourest grapes crowd. got tiny violin?"
• "As Hillary Clinton noted at the sourest points of the primary battles, and as John McCain will hammer home at every chance until Election Day, “mere words” are not the same as leadership or effectiveness."
• "Seeing the hyper-literal-fantasy of ‘Return of the King’ the very next day, in comparison, left the sourest taste ever."