1. earnest

something of value given by one person to another to bind a contract

2. earnest, sincere, solemn

characterized by a firm and humorless belief in the validity of your opinions

Example Sentences:
'both sides were deeply in earnest, even passionate'
'an entirely sincere and cruel tyrant'
'a film with a solemn social message'

• sincere
• solemn

3. dear, devout, earnest, heartfelt

earnest

Example Sentences:
'one's dearest wish'
'devout wishes for their success'
'heartfelt condolences'

• dear
• devout
• heartfelt

4. businesslike, earnest

not distracted by anything unrelated to the goal

• businesslike