Art values have been escalating rapidly, particularly for contemporary works.

We are facing a situation that could rapidly escalate out of control.

"In all cases, the forces escalated rapidly," the study said.

Horses' emotions can rapidly escalate or change from one to another.

The battle had rapidly escalated out of all control, or even sanity.

"Their tax doesn't work as a means of keeping player salaries from escalating rapidly," he said.

In 1974 his success as a pop singer continued with record sales escalating rapidly.

It is a tall, grand structure that escalates rapidly to the second floor.

Tensions rapidly escalate after the agents of the state realize that the third has escaped.

And, to her own dismay, the uneasiness began to rapidly escalate toward fear.