Some teams use forward defending, aggressively challenging the ball when on the defensive in any part of the field.

She has quite a fiery temper, and aggressively challenges other girls to beauty contests.

When they are aggressively challenged and proven outdated, those standards need revision.

But especially since Democrats took control of the Senate two months ago, Congress has been aggressively challenging the president on environmental issues.

The Clinton Administration does not aggressively challenge the bond market's preference for subdued economic growth.

The Dutch merchants aggressively challenged the Hansa and met with much success.

Aggressive Challengers But he is being aggressively challenged by two other Democrats.

The file sharing network Napster, which effectively shut down in 2002, was one of the first to be aggressively challenged in court.

But many suburban school districts are aggressively challenging some of the requests as indulgent interpretations of the law.

Like co-op owners, however, owners of condominiums are aggressively challenging their new assessments.