insincerely
1.effusively or insincerely emotional.
2.she congratulated him somewhat insincerely.
3.To talk or act insincerely or misleadingly; equivocate.
4.Under some circumstances, we always habitually talk insincerely.
5.To compliment excessively and often insincerely, especially in order to win favor.
6.Mr Bush left the Hapsburg capital a bit like a ridiculed rich uncle at a family reunion, welcomed insincerely to his face and belittled behind his back.

