He read each one carefully with the grave demeanor of a businessman studying a contract.

At first, he made a show of inspecting the house and assessing its fortitude, testing the bars on the doors with a grave demeanor.

He was suddenly impressed by the usually grave demeanor of the girl and her evident excitement.

As the central mystery of why Charlotte wants to be alone is resolved (more or less), the play takes on the graver demeanor promised by its title.

When they try on a grave demeanor, the results are often risible, at least compared with the historical precedents evoked by their designs.

Mr. Portzamparc met me at his office wearing a gray plaid jacket, a blue shirt, no tie, yellow slacks and a very grave demeanor.

His playfulness fell away, his demeanor suddenly uncharacteristically grave.

He kept a grave demeanor himself, and nodded.

Volemak made a show of listening with a grave demeanor.

And now he put on a grave demeanor.