Collocations for escalate - verb
1. become/make sth worse
ADV.
rapidly | steadily
Violence between the two sides has been steadily escalating.
Violence between the two sides has been steadily escalating.
suddenly
PREP.
into
The conflict could escalate rapidly into a full-scale war.
The conflict could escalate rapidly into a full-scale war.
2. increase
ADV.
sharply
The cost of raw materials has escalated sharply.
The cost of raw materials has escalated sharply.