Definition of "stir up" [stir up]

• Arouse or excite passion or action. (verb)
• Mix ingredients. (verb)

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• "His wives and children had been reassigned to another man, but the house he built still stood empty because DeLory had gotten a lawyer and tried to go to court just to stir up trouble."
• "Some of the soldiers themselves, of course, were musicians, and one evening just before Christmas, Dr. Albigence Waldo heard in an adjacent hut a violinist “excellent . . . in the soft kind of music which is so finely adapted to stir up the tender passions.”"
• "But Madame Tremont, only you know exactly how much heat you wish the marmite to have, when is the right time to stir up the coals and when to damp them down."