stirred up; stirring up; stirs up
Definition of stir up
1
: to cause (someone) to feel a strong emotion and a desire to do something
The speech stirred up the crowd.
2
: to cause (something) to move up into and through the air or water
The workers stirred up a lot of dust.
3
: to cause (something, usually something bad or unpleasant) to happen
They're trying to stir up trouble. But, of course, there's a reason politicians generally try to communicate deliberately: It helps them avoid saying things that might offend voters or stir up controversy.— Philip Bump I'm not a rebel, trying to stir things up just to be provocative.— Norma Klein … the incident stirred up a hornet's nest of protest and indignation.— Robert T. Martinott
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Merriam-Webster unabridged
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Time Traveler for stir up
The first known use of stir up was in the 15th century
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