Main entry: sincere, solemn, earnest
Definition: characterized by a firm and humorless belief in the validity of your opinions
Usage: both sides were deeply in earnest, even passionate; an entirely sincere and cruel tyrant; a film with a solemn social message
Main entry: sincere
Definition: open and genuine; not deceitful
Usage: he was a good man, decent and sincere; felt sincere regret that they were leaving; sincere friendship