earnestness

/ˈɜrnɪstnəs/
noun
  1. The quality of being sincere, serious, and determined.
    • His earnestness about protecting the environment inspired others to join the cause.
    • The teacher appreciated the student's earnestness in asking thoughtful questions.
    • The earnestness in her voice convinced everyone she was telling the truth.
What does "earnestness" mean? | whatsthatwordmean | whatsthatwordmean