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

Derived forms: sincerities

See also: frivolous, insincere, serious, sincere

Type of: gravity, naturalness, solemness, solemnity, solemnness, trait, truthfulness, veraciousness, veracity

Antonym: hollowness

Encyclopedia: Sincerity, Wetzel County, West Virginia