'Sincerity' definitions:

Definition of 'sincerity'

From: WordNet
noun
An earnest and sincere feeling [syn: earnestness, seriousness, sincerity]
noun
The quality of being open and truthful; not deceitful or hypocritical; "his sincerity inspired belief"; "they demanded some proof of my sincerity" [ant: falseness, hollowness, insincerity]
noun
A quality of naturalness and simplicity; "the simple sincerity of folk songs" [syn: sincerity, unassumingness]
noun
The trait of being serious; "a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice [syn: seriousness, earnestness, serious-mindedness, sincerity] [ant: frivolity, frivolousness]

Definition of 'Sincerity'

From: GCIDE
  • Sincerity \Sin*cer"i*ty\, n. [L. sinceritas: cf. F. sinc['e]rit['e].] The quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense; sincereness. [1913 Webster]
  • I protest, in the sincerity of love. --Shak. [1913 Webster]
  • Sincerity is a duty no less plain than important. --Knox. [1913 Webster]

Synonyms of 'sincerity'

From: Moby Thesaurus