单词 unsincerity 释义 † unsincerity Obs.[un-1 12 and 5 b.]1. Impurity; admixture. Cf. insincerity 1.1668Boyle Physiol. Ess. 108 A Spirit of Sea-Salt may without any unsincerity be so prepar'd, as to dissolve the body of crude Gold.2. Lack of sincerity;...