They created a "a rigid religious hierarchy with unlimited power and influence in every sphere of life."

Under his firm hand, the railroad has been moving away from a rigid hierarchy that focused mainly on running the trains.

It involves a rigid hierarchy of social classes, based on examinations.

The society controlled by the Logarchy works on a rigid hierarchy of social classes.

There is a rigid hierarchy in many industries, where people low on the ladder may be ill treated or considered less valuable.

We'd move unerringly to our places; the bus was a rigid social hierarchy.

The Maya were organized into kingdoms, in which social and economic life was an extension of a rigid political hierarchy.

"There was a rigid hierarchy that gave the black church dignity and majesty."

There is still too much rigid hierarchy and stagnation in most schools.

It's a geek fantasy of what high school might have been, had the rigid social hierarchies not existed.