Marked by sober sincerity
Full of or marked by dignity and seriousness
Having great consequence or weight
Something given to guarantee the repayment of a loan or the fulfillment of an obligation
His simple, earnest response and the conviction on his face floored her.
Preparations were made in earnest for his subjugation.
The tears started in earnest as she reached the laundry room.
a Talmudist, was an earnest promoter of kabbalistic studies.
He is an earnest worshipper of the Virgin, but a bold and vigorous hater of monks and abbots.