Etymology: from The Grapes of Wrath (1939), novel by John Steinbeck b 1902, American novelist, from the line “He is trampling out the vintage where the grapes of wrath are stored”, from The Battle Hymn of the Republic by Julia W. Howe died 1910 American writer and reformer
: an unjust or oppressive situation, action, or policy that may inflame desire for vengeance : an explosive condition
will the grapes of wrath come to another harvest — Stuart Chase