Nevertheless his tone when he spoke lacked heartiness.

Stephen's thanks for the hospitality perhaps lacked heartiness.

Howard hastily expressed his approval of the plan, and if his tone lacked heartiness, Longstreet did not notice.

When she went to him for Christian consolation, his words, though well-chosen, lacked heartiness and the satisfying power of truth.

"Well," said Alton with a smile, which seemed to lack heartiness.

"Thank you, sir," said Hector, but his tone lacked heartiness.

"No trouble, I assure you," Lewis hastened to assent, but his tone lacked heartiness, sincerity.