In some other time and place Pippin might have been pleased with his new array, but he knew now that he was taking part in no play; he was in deadly earnest the servant of a grim master in the greatest peril.
’For my part I heeded them not,’ said Gimli; ’for we came then at last upon battle in earnest.
Indeed the force that we lead east need not be great enough for any assault in earnest upon Mordor, so long as it be great enough to challenge battle.
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.