In essence, the task facing national leadership is truly monumental.

The tower is described as being "truly monumental".

But this is a slight quibble to bring against a truly monumental achievement.

It's a truly monumental work, at an unbeatable price.

Some truly monumental markers have been used to designate tripoints, or the meeting points of three or more countries.

The Pergamene altar follows this tradition, but to a truly monumental extent.

To make this idea a reality is a truly monumental challenge.

In short, a love of truly monumental proportions.

In this truly monumental tomb, sculptural forms are integral part of architecture.

God knows the creature I have called the Rat was peculiar enough in itself; but the case also involved a truly monumental crime.