He was in dreadful earnest and made me swear, with my hands on the Testament, that whatever happened I would always be true to him.
As he stepped up to the cab, he pulled a gold watch from his pocket and looked at it earnestly, ’Drive like the devil,’ he shouted, ’first to Gross & Hankey’s in Regent Street, and then to the Church of St. Monica in the Edgeware Road.
Holmes gazed long and earnestly at it.
"I am so delighted that you have come," she said earnestly.
This man, however, was leaning against the railings which bordered our field and was looking earnestly up.
A prodigiously stout man with a very smiling face and a great heavy chin which rolled down in fold upon fold over his throat sat at her elbow with a pair of glasses on his nose, looking very earnestly at the ladies who entered.
There are no more uses of "earnest" in the book.
Show samples from other sources
Both sides were deeply in earnest, even passionate.
She has a casual, go-with-the-flow personality and doesn’t appreciate his earnestness.