Definitions:

1. It can describe the environmental impact of disturbing a natural setting. VERB
   • the construction project churned up a lot of dust and disrupted local wildlife.
2. To mix or disturb a liquid or surface, often creating turbulence or bringing sediment or other material to the surface. VERB
   • The boat's propellers churned up the water, creating a frothy wake.
3. To reveal or bring to attention something that was previously hidden or settled. VERB
   • The plow churned up rocks and old roots in the field.
4. To stir or agitate something vigorously, often resulting in disruption or bringing something to the surface. VERB
   • The strong winds churned up the sand on the beach, making it difficult to see.
5. Used metaphorically to describe emotional or psychological agitation. VERB
   • the memory of the accident churned up feelings of anger and regret.

Synonyms:

• agitate
• disgust
• disturb
• nauseate
• revolt
• shake up
• stir up