to make a slight movement or cause a slight movement in (something)

The breeze stirred the leaves

(usu + up) to disturb or agitate (something lying still)

Their feet stirred up the mud on the river bed

(usu + up) to provoke (trouble, etc)

to move or exert (oneself)

to wake and begin to move

to rouse (somebody) to activity

to evoke (feelings, memories, etc)

to make a slight movement

to wake and begin to move

to move oneself

Brit, informal to create trouble or ill-feeling between people by gossip, tale-bearing, etc

the act or an instance of stirring with a spoon, etc

Give the mince an occasional stir

a sensation or commotion; a flurry in the media

Their engagement created quite a stir