worsen

Example:As the night wore on, the patient's condition worsened.

Definition:The health of the patient was worsening.

Example:If we don't reduce greenhouse gas emissions, the climate will worsen.

Definition:The climate is getting worse with higher temperatures and more extreme weather.

Example:Their relationship worsened when one of them moved to a different city.

Definition:The relationship between the two countries has worsened due to recent political tensions.

Example:The problem of pollution worsens as industries continue to release more chemicals into the air.

Definition:The problem of traffic congestion in the city has worsened in recent years.