The simple act of breathing might itself be a weighty matter.

For these two German communities, this is a weighty matter.

The talk turned to weighty matters, to feelings of aging and death.

No one should make a hasty decision over such a weighty matter.

"This is a weighty matter with important implications for the entire southern Africa region."

There are other matters requiring my attention just now, a bit weightier than this.

Some hours later, he had a weightier matter to consider.

"We must take time to consider such a weighty matter."

And yet less weighty matters are not beneath his concern.

He himself had other, more weighty matters on his mind.