1. showing sincere and intense conviction; serious in intention or purpose

1. a thing intended or regarded as a sign or promise of what is to come
Usage: formal
2. money paid as a deposit to confirm a contract
Usage: legal

Examples

• She made an earnest plea for help.
• His earnest expression showed he was telling the truth.
• The students were earnest in their desire to learn.
• He spoke in earnest about his plans for the future.
• The contract required earnest money before closing.
• Her apology was given in earnest, not just for show.
• The earnest young activist worked tirelessly for the cause.