Meaning of dismissive

1. She gave a dismissive wave of her hand when asked about the project.
2. His dismissive attitude towards the new idea was discouraging.
3. The teacher was dismissive of the student's excuse for not completing the assignment.
4. The boss was dismissive of the employee's concerns about their workload.
5. She was dismissive of the criticism, choosing to focus on the positive feedback instead.
6. His dismissive tone made it clear that he did not take the issue seriously.
7. The customer service representative was dismissive of the customer's complaint, which only escalated the situation.
8. The politician's dismissive comments about the opposition party angered many voters.
9. The judge's dismissive attitude towards the defense attorney's argument raised concerns about the fairness of the trial.
10. Despite her dismissive behavior, he remained determined to prove himself to her.