escalation

describes an additional increase

describes a grave and concerning increase in severity or intensity

describes a very significant increase in severity or intensity

describes a large and often sudden increase in severity or intensity

describes an increase in military conflict or activity

describes the increasing threat of nuclear weapons being used

describes a fast increase

describes a slow and steady increase

to stop an increase from happening

to cause an increase in severity or intensity

used when a period of time or a place experiences an increase; more formal than 'see'

used when a period of time or a place experiences an increase

to be a sign or example of an increase

indicates what is increasing (e.g., of the conflict, of violence)

indicates the area or thing that is increasing (e.g., in costs, in violence)

indicates a transformation into something more serious (e.g., into a war)

indicates the level or state reached (e.g., to war, to ground action)