STIR, stur. G., to stir, to disturb.

1. To move to change place in any manner.

My foot I had never yet in five days been able to stir.

2. To agitate to bring into debate.

Stir on the questions of jurisdiction.

3. To incite to action to instigate to prompt.

An Ate stirring him to blood and strife.

4. To excite to raise to put into motion.

And for her sake some mutiny will stir.

To stir up,

1. To incite to animate to instigate by inflaming passions as, to stir up a nation to rebellion.

The words of Judas were good and able to stir them up to valor. 2Maccabees.

2. To excite to put into action to begin as, to stir up a mutiny or insurrection to stir up strife.
3. To quicken to enliven to make more lively or vigorous as, to stir up the mind.
4. To disturb as, to stir up the sediment of liquor.