Simple past tense and past participle of stir up.(verb)
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Use "stirred up" in a sentence
"Ere long the English encroachments upon Indian lands again stirred up the Abenakis."
"It stirred up a great deal of discussion in the community, so much so that Alexander Campbelle, founder of the Campbellite wing of the Presbyterian Church, felt called to take upon himself the defence of Protestantism."
"Pick up something with the Cole-Haan name on it and see how quickly your emotions get all stirred up inside."