sincerity Meaning, Definition & Usage

  1. noun an earnest and sincere feeling
    earnestness; seriousness.
  2. noun the quality of being open and truthful; not deceitful or hypocritical
    • his sincerity inspired belief
    • they demanded some proof of my sincerity
  3. noun a quality of naturalness and simplicity
    unassumingness.
    • the simple sincerity of folk songs
  4. noun the trait of being serious
    seriousness; earnestness; serious-mindedness.
    • a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice

WordNet

Sin*cer"i*ty noun
Etymology
L. sinceritas: cf. F. sincérité.
Definitions
  1. The quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense; sincereness.
    I protest, in the sincerity of love. Shak.
    Sincerity is a duty no less plain than important. Knox.

Webster 1913