1. in a way that is not genuine or honest; without sincerity

Examples

• She smiled insincerely when congratulating her rival.
• He apologized insincerely, clearly not meaning what he said.
• The politician spoke insincerely about caring for the environment.
• Don’t thank me insincerely if you don’t really mean it.
• The salesman praised the product insincerely to make a sale.
• She complimented his work insincerely, hiding her true opinion.