Definition of "indignance"

And seeing him behind a stranger Knight, Where - as no living Creature he mistook, With great Indignance he that Sight forsook

1590, Edmund Spenser, “Book III, Canto II”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie

“We were all insulted,” Mr. Goodwin said, “and indignance translates into action.”

2007 September 4, Carol Pogash, “In Remote Canyon, Calif., a Pay Phone Is Celebrated”, in New York Times‎