How to Use "insincerity" with Example Sentences

1. I think he is a man of insincerity .
2. Insincerity will cost you a true friend .
3. The vaunted apple user-friendliness was exposed , before my eyes , as bossiness and insincerity .
4. Still , the direction of policy is the same - and so is the fundamental insincerity of the calls for austerity .
5. The truth is that mr. romney is so deeply committed to insincerity that neither side can trust him to do what it considers to be the right thing .