1. not expressing genuine feelings; false or dishonest in manner or speech

Examples

• His apology seemed insincere and forced.
• She gave an insincere smile when congratulating her rival.
• The politician’s promises sounded insincere to many voters.
• I could tell by his tone that the compliment was insincere.
• Her insincere flattery made everyone uncomfortable.
• The company’s insincere response to the crisis angered customers.