agitate
verbUK /ˈædʒ.ɪ.teɪt/
US /ˈædʒ.ə.teɪt/
To shake or stir something up so it moves around.
The washing machine agitates the clothes to get them clean.
OTHER MEANINGS
2. To make someone feel worried or upset.
The loud noise began to agitate the baby.
3. To try hard to get people to support a change or cause.
The group agitated for better school lunches.
4. To keep something like a topic in people's minds by talking about it a lot.
He agitated the idea of a class trip all week.