sincere meaning and definition

SINCERE adjective

Definition of sincere (adjective)

1. open and genuine; not deceitful
   • "he was a good man, decent and sincere"; "felt sincere regret that they were leaving"; "sincere friendship"
   • antonym: insincere
2. 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"
   • synonyms: earnest, solemn