It was music that drew power from defying racial boundaries: white hillbilly music ignited by black blues.

Today, macromarketing continues to morph, to draw new and diverse followers, and thus it defies neat boundaries, descriptors, and limitations.

The search for comprehensive solutions to complex urban problems has once again defied disciplinary and professional boundaries.

The effort, which raised $80 million with the help of about 50 different countries, illustrated that interest in preserving significant landmarks defies boundaries.

Moral reasoning is culturally defined, and thus is difficult to apply; yet human relationships define our existence and thus defy cultural boundaries.

Monsters, said Mr. Capasso, are "those things that defy boundaries."

She defies legal boundaries and unleashes a series of consequence when she forms a deep romantic relationship with Michel (Brandt), an inmate involved in the film project.

As an icon, she has come to represent not merely 'American' women or consumer capitalist women, but a female principle that defies national, ethnic and regional boundaries.

The dramatic, 450-foot-long central hall, capped by a barrel-vaulted glass ceiling and bathed in natural light, seemingly defies spacial boundaries.

Each candidate presented his vision for the future, one that defied religious or racial boundaries, and his concern for common problems.