• (n.) The quality of being insincere; want of sincerity, or of being in reality what one appears to be; dissimulation; hypocritical; deceitfulness; hollowness; untrustworthiness; as, the insincerity of a professed friend; the insincerity of professions of regard. Found on http://thinkexist.com/dictionary/meaning/insincerity/
In`sin·cer'i·ty noun [ Confer French insincérité .] The quality of being insincere; want of sincerity, or of being in reality what one appears to be; dissimulation; hypocritical; deceitfulness; hollowness; untrustworthiness; as, the insincerity of a professed friend; the insincerity Found on http://www.encyclo.co.uk/webster/I/68
insincerity 1. The quality of not being open or truthful. 2. Deceitful or hypocritical. 3. Lack of sincerity; hypocrisy; deceitfulness. 4. An instance of being insincere: 'She recalled their many past insincerities as a couple.' Found on http://www.wordinfo.info/words/index/info/view_unit/3846/
the quality of being insincere; lack of sincerity; hypocrisy; deceitfulness. · an instance of being insincere: He recalled their many past insincerities. Found on https://www.infoplease.com/dictionary/insincerity