#1 earnest s. [sincere, solemn] characterized by a firm and humorless belief in the validity of your opinions; "both sides were deeply in earnest, even passionate"; "an entirely sincere and cruel tyrant"; "a film with a solemn social message". wn
#2 earnest n. something of value given by one person to another to bind a contract. wn
#3 earnest s. [dear, devout, heartfelt] earnest; "one's dearest wish"; "devout wishes for their success"; "heartfelt condolences". wn
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