But each time, the level of violence has escalated.

It would be the last mistake McDonald would make, even as the decibel level in the arena escalated.

Almost immediately the level of violence escalated.

Now, Frank and Joe do not know who to trust, but, as the level of danger escalates, they must choose or pay the price.

The house is part of the charm, even though the decibel level in the 40-seat dining room escalates rapidly as the place fills up.

But the level of exchanges steadily escalated over the past year.

Following signature of the agreement, the level of conflict escalated to the highest levels that had been seen since war broke out in 1955.

It is obvious that the level of aggression has greatly escalated.

The decibel level had escalated.

We need to find alternatives so that the level of air traffic does not escalate and pollution remains within reasonable limits.